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gglitch1dd · 2 years

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Day 3: Exploring Eachother

Mershark Kirishima x Human AFAB Reader

You always loved taking a walk on the beach, when suddenly, the most beautiful voice was calling to you, from beyond the waves

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(NSFW Warning)

Warning: Two dicks tbh. Mentions of abandonment. Reader not believing that Kiri is a masc mer. Oh well... seeing is believing. Fish Katsuki appears at the end.

You had always loved visiting your gran by the sea. She lived to a house right by the sea, just a bit above sea level where the water wouldn’t touch it if the oceans rose at night. She lived a bit away from the town because she believed in beings that lived under the waves, older than any human could live up to. She used to tell you of all the things she would do to help them. She would sit you by the waves, the water by your feet and warm sand under your hands and tell you stories of her advantages.

She would tell you of the handsome and beautiful mers that she was friends with and all the times they would take her under the waves to a world beyond your imagination. She told you of times where she would help provide food for them when the fisherman had overfished one too many times.

Your parents always told you to never listen to her. Your father often told you how she had swallowed one too many drops of sea water in her life. Of course, your gran knew that everyone thought she was crazy, but some of the villagers knew she wasn’t and she knew she wasn’t too. She had always hoped that one day when you were older, she could introduce you to them so that you would love them just as much as she did.

But that day never came.

With gran gone, you didn’t have anyone to visit by the coast anymore and there were not anymore visits. However, once you had learnt that your parents wanted to sell her cottage, you couldn’t let that slide. So you offered to drive to the coast and find some way of convincing them not to sell it or at least to let it be rented out. Which was how you got to the coastal town of Yuuie. Most of the villagers remembered you, recalling crazy times with you and your gran. They were glad to hear you were going to be at her cottage, but they advised you above all else.

Don’t go walking out at night by the coast.

Most of them said that’s how your grandmother got bewitched by the sirens. You obviously thought that it was just a bunch of townspeople nonsense.

Which is why you made the stupid decision to head down to the coast at night. It was a beautiful night, with the wind blowing cool air in your face, the smell of the sea at your back and salt and sand lined your calves and feet. You smiled in happiness at the beauty of the ocean. It was breathtaking. Even with the moon just over the horizon and the waves deep, dark and abyss like, it still was like no other view you had ever seen.

As you hummed to yourself as you walked the coast, you stopped as you heard something. Floating to your ears, amongst the sounds of the waves crashing against the coast, was a voice. You kept moving forward hearing the voice grow louder and louder. It was singing. Gorgeous singing that had you enchanted before you even realised you were. As you walked forward, almost in a daze, you noticed that the voice wasn’t feminine. It was masculine. A voice unyielded and free. You found yourself heading towards the base of a cliff and giant rocks. You could tell the voice was coming from here.

You moved around and then you found a dark hole that led into the unknown. Thoughtlessly, you followed the voice, having to get on your knees and crawl in. It wasn’t a long crawl until you could stand at your full height. The voice was louder now, echoing in the dark tunnel of the cave walls. Now accompanying the voice was the dripping of water and slight twinkle. You moved deeper, following a luminescent blue light.

Soon you found yourself standing in the darkness, blue light illuminating your face as you were left in shock. Sitting in front of you, on a rock, I shit you not, was a long red-haired being of the sea. Your mouth dropped in shock. They were moving their head side to side as they sang, enjoying the toon of the song. You noticed multiple scars on their back and by their waist was where skin blended into a thick tail that reminded you of a great white shark.

“I don’t know when... I don’t know how...”

You were left flabbergasted.

You had found motherfucking Ariel and you were literally about to cry. “Ariel?”

The singing stopped. “Ariel?” The deep voice asking, turning around to face you was a beautiful face, with ruby red round eyes and thick lashes. “Who in All Might’s seven seas is Arie-” He stopped talking as you both looked at each other face to face. His face dropped once he realised that you were not a mer talking to him. His pupils constricted in fear and worry. “It’s a human...” He stated. “Oh my All Might, it’s a human.” He voiced out in disbelief. For a moment, nothing happened between the both of you. You just stared at one another, shocked to find the other there. You watched as his pupils blew out as he gasped with a bright expression with a smile. It was then you saw razor sharp teeth that were lined to perfection. “A HUMAN!” He shouted in excitement as he held his hands to his face.

Your face was split into one of slight confusion at the sounds he was making. It sounded almost like cat noises. You tilted your head. However, that was short lived as you watched the red head dive into the waves. Your face fell at that. He left.

You took a few steps forward closer to the rocky pool. “Hello.” You voiced out uncertain as you took a few more steps forward. “I’m sorry I scared you.” You apologised. “I promise I won’t kill yo- wow that’s a stupid thing for a human to say.” You voiced out to yourself. You shook your head as you got closer to the glowing pool. You went down on your knees as you brought your face close to the pool, hoping you would be able to see him again. Maybe if you made some high-pitched noises as well, he would come back.

However, you didn’t have to, as not more than a meter away from you, peaking out of the surface were two round red eyes. They looked at you with interest at your presence. You looked at him in surprise to find him back. He tilted his head as he swam closer to you, slowly. You stared right back at him. He stuck his whole head out the water, allowing you to see the gills that were still open underneath the water. He smiled broadly up at you. Even though his smile was lined with sharp teeth that could no doubt cut you with little to no effort, his smile was beautiful. Real and almost as bright as the sun.

“A human. A real human.” He whispered in surprise and excitement. “It has been ages since I’ve talked to one of you guys again. I can’t believe it. I-” You watched as the merman talked to you, but you didn’t understand a word he was saying. It all came out in sharp trills, growls and other noises you couldn’t understand. He seemed really invested in what he was saying to you. You didn’t want to interrupt him but you really wished you knew what he was talking about. “And this is so-” He noticed your expression and his expression dropped. A smile left his face as he stared at you with his mouth in a thin line. He pointed a finger to himself. “You don’t understand me, do you?” He asked. Considering you didn’t answer him back, just staring at him, he took that as a yes. He sighed with a shake of his head.

As fast as lightning, before you could even realise what was going on, he grabbed your head between his hands and pulled your face to meet his. Your eyes widened at the kiss. His eyes closed as he used his tail to reach your height out of the water easily and kiss you. He was rather warm for a fish. His hands were wet but they weren’t slimy like you expected. Before you could even freak out that you were kissing a merman, he sunk back into the water, letting go of you.

“Sorry about that.” You heard him say in your language. Your eyes widened in surprise that he was speaking to you and you could understand him. His voice was much lower and really suited him. It was rather beautiful just like the rest of him. “I forgot you don’t speak Mer.” He spoke truthfully as he scratched the back of his head, in embarrassment with a short giggle. You found him cute. He placed one webbed hand onto his broad chest. “I am Eijiro, of the Kirishima clan.” He introduced with a bow of his head.

“Uh...” You forgot your name. You placed your hand on your chest and followed his actions. “I am Y/N of the... the L/N clan?” You sounded rather unsure whether you were saying that right, but considering his face lit up, you probably did. “Are you a mermaid?” You asked.

His face scrunched up at the question. “A mermaid! Do I look like a femme to you?” He asked clearly offended by your question. He folded his large strong arms over his chest with a glare.

Your eyes trailed the part of his body that you could see. He had round rather feminine eyes with thick lashes and blinked in a slow way that reminded you of that of a siren effect. He had long thick red hair that pooled around him in the water that suited him perfectly and even his cut-out features seemed soft in some places. His chest was large and broad, thick pecs on his chest with a body covered in muscle but since he seemed rather relaxed, he had a rather soft effect to him. He had a smaller waist though, that made him have a sort of hourglass figure. Honestly, whatever gender he was, he screamed gender envy to you.

You leaned back with your arms up in surrender. He let out a grunt with a huff, happy that you took back your statement wordlessly. He pointed a finger to his chest. “I’m a mershark. A masc Mershark.” He informed you, puffing up his chest a bit more in pride.

That’s when you truly took notice of how big his body was. He was huge, even though he was making himself seem smaller. His broad body was no doubt bigger than yours and if he was out the water, he would no doubt probably be twice your size. He had cute little finned out ears that moved every now and then. You tilted your head as you poked his nose. Kirishima looked down at his nose and twitched it and frowned as he felt his head become a bit lightheaded at the tap. He had a real sensitive nose. He then smiled again and looked back up at you.

“What do you use your nose for?” You asked him.

“To smell!” He grinned up at you. “I breathe through my gills in water, so I only really use my nose for smelling things.” At that last point you heard him sniff. Kirishima moved closer to you as his eyes trained on you in interest. “You... you smell...” He sniffed again, following his nose to the end of the pool.

He was trying to find the scent that followed you. He finally took notice of how you smelled and he wanted to know more. However the pool only went so far. He put his hands on the edge of the pool and with no issue whatsoever, he pushed himself up. Your eyes widened at his large build up close. His large muscle stacked arms, held him above water. Water dripped down his muscles and thick skin as he leaned over down to you. You looked up at him with a heated face as it finally realised that you were faced to face with a predator that could easily take control over you. He sniffed closer to you. At any moment, you got ready to punch him in the nose, just like you would a shark.

He stopped for a moment. “You smell nice. Really nice. What is it?” He asked as he tried to sniff over your body, trying to find the origin. You fell back on your butt trying to put space between him and you as he sniffed you inquisitively. He bent down to sniff at your chest and then down your stomach until he got freakishly close between your legs.

“Oi!” You pushed his face away with your foot. Easily disorientating the mershark. “That’s not nice!” You scold him. You pointed a finger at him in disappointment. You watched as his ears fanned down almost like puppy ears and his pupils went big. He let out a whine as he frowned. It was a cute sound, almost like a sad puppy. “You don’t go around sniffing people d-down... down there.” You frowned, trying to block of your embrassed expression.

Kirishima looked down as he took in what you were saying. “Hm... but that’s how we make friends and introduce ourselves to potential mates.” He told you honestly.

“Well when we want to make friends or... or meet someone, we talk to them, Eijiro. We talk.” You emphasised. “Like how I am talking to you.”

His eyebrows furrowed as he thought over what you said. “So... are we friends?”

You hesitated and shrugged. “If you want to be friends.”

Kirishima’s face lit up as he nodded his head furiously.

That’s how you became friends with your redheaded mershark fellow. With him, you could barely keep track of time, because the hours would just slip by. He was such a sweetheart and really just cared for all of those in his pod and all around him. For a mershark, he really wasn’t vicious or blood thirsty at all. Maybe it scared you at first, how easily his eyes would home in on the fish you would bring for him to snack on, but you soon got used to it. He was funny and great at story telling.

He would tell you stories of when he was just a seapup and would navigate the oceans on his own. Apparently, some mersharks were a lot like regular sharks, lacked the necessary paternal instincts to raise their kin. So once mershark pups would learn to swim and grew in their sharp talons and teeth, they were left on their own. It made you cry when you first heard about it. At first, Kirishima was very confused as to why water was coming out of your eyes, but then he saw it as a sign of sadness. He apologised for making you sad, but you tried telling him that it wasn’t him necessarily making you sad. To make you feel better, he told you about how he had met his aunt and her mate and were raised by them.

“Most sharks are real nice.” He told you as you sat with you feet in the water with him floating on his back, his hands resting on his abdomen. “They really just mind their own business unless their hungry. Mersharks are nice too, but we’re a bit more aggressive.”

“How come?” You asked as you raised your eyebrow at that.

Kirishima hesitated as he thought of an answer to that. “Uh… It’s hard to explain.” He told you. He sighed as he sunk a bit lower, swimming back to float vertically. He swam closer to you, placing his arms on the edge of the pool, and resting his head on them. “Everyone sees us as predators so we aren’t often received well. It causes some tension and natural bitterness towards others because of it.” He explained to you.

You nodded your head understanding why mersharks might behave in such a way. “Ah… I see.” You looked down at Kirishima who was looking up at you with wide red eyes. You smiled down at him, placing your hand on his head. You moved your hand to behind his ear to scratch there. “Well, you’re nice Eijiro.” You informed him. This earned you a cute purr like rumble and smile as he leaned into your hand almost like a cat.

He also told you many tales of his adventures and mishaps with, what sounded like a very violent friend, named Katsuki of the Bakugou clan. He was apparently a very pretty but also rather angry merman. A prince apparently. He was the son of the chief of the pod and took his job rather seriously. Kirishima had expressed how he wanted you to meet Bakugou, but the merman was very sceptical of humans, so Kirishima would have to butter him up first.

His pod lived in the area (underwater of course) and hunted in the waters around. The fisherman usually stuck to one side of the coast so they were able to hunt on the other side without harm. They did however hate it when the big ships came by with their large propellers and big nets catching and scaring away all the fish. That was never fun for them. They also didn’t like all the pollution and how the seas were getting warmer. However Kirishima said they were adapting alright, so they should be okay. Besides, the town was rather eco-friendly, so they didn’t have to worry much here.

He told you all about the members of his pod like his best friends Bakugou, Mina Ashido, Hanta Sero, Kaminari Denki and Kyouka Jirou. He also told you more about his aunts, Yua and Takea, that he absolutely adored and loved with all his heart because they took him in. He told you about all the fun traditions the pod had and whenever they migrated to deeper waters for events.

He also told you about how his one friend Tetsutetsu Tetsutetsu, another mershark, had recently just got paired with a mermaid named Istuka Kendo. Apparently being paired was like getting married, but the way he made it sound, made it much more interesting. There was apparently so much food collected for the occasion, then there was some ceremony where they marked each other's shoulders (apparently tapping your nose on someone’s shoulder was a very intimate thing), then there were celebratory games. He had so much to his people and his life that he wanted to tell you, but he also wanted to learn about you.

Like how come humans had little fingers on their feet (toes) and what they were for. Why did you all have short nails and rather blunt teeth. You all seemed really bad at hunting by yourselves. Also why you all liked making so much noise. Why did you give each other rocks when you love each other? Were you coping penguins? Also why do you guys take all the penguins? Why didn’t you guys have gills on your necks? How do you know when a year has passed? Why did you treat your females so differently from your males? Why do you sometimes have more than one mate in a life time? Is it because you have so many choices?

He was really confused with how humans worked an with every one of his questions, you grew more confused in human kind as well.

Over the next few weeks, almost every single day of yours was spent with Kirishima, hidden away in your cave with the giant mershark. Plus, everything was so eased between the two of you, you didn’t think much about your next meeting with him.

“Are you sure this is okay, Eijiro?” You asked him as you sat beside him.

Kirishima lay back in the sand with most of his lower tail in the water for comfort. He nodded his head in affirmation as he tried to stay comfortable. He had his elbows supporting him as he leaned up slightly to keep his eyes on you. “I don’t mind. We’re learning about each other. I think it’s fine.”

You glanced between him and his body. He was indeed as big as you thought he was. If you lay down next to him, you probably would equally to half his height. You carefully brought your finger up to tap his nose. You watched Kirishima’s eyes dilate before he let out an annoyed groan and covered his nose away from you. You giggled at his reaction. He hated whenever you gave his nose any sort of attention. He glared at you but you just giggled. With that out of the way, you looked at the now closed gills on his neck. You leaned closer to them, you tapped one. For a moment nothing happened. You hummed, noting that they stayed closed above water.

Continuing your inspection of him your eyes wondered down to his skin. He seemed to have thicker skin than you, even on his supposed human half. On his arms, you admired the muscles that made them up, watching his large and tough hands with sharp talons for nails. Considering he was a predator, it made sense to you for him to have them. You continued down to his waist area, where tanned skin melded into his great white lower half. You put a hand there trying to feel if there was much of a visible difference. Only slightly.

You turned to him inquisitively. “Does this hurt when I touch it?” You asked.

Kirishima shook his head. “No. Feels normal to me.”

You hummed at his answer, really interested in his anatomy right now. You decided to leave him be and go down to his thick grey tail. You noticed that sharks weren’t smooth like dolphins. They appeared that way but they had small tooth-like scales for skin. You admired how his underbelly was white while the rest of him was more of a dark grey. He seemed to also have more fins than a regular shark. However, you couldn’t get far because you noticed something.

A slit.

You turned your head to the side. It was small, in line with the centre of him and rather hidden away. You had never noticed it before. You wondered what it was for. You raised a finger to touch it.

“I wouldn’t do that if I was you.” Kirishima warned you with a slightly worried expression. He seemed really worried about whatever the slit was and you interacting with it. “It’s getting real close to that time of year and I don’t think you’ll get the reaction you want out of it.”

You glanced between his face and the slit. You then turned to him blank faced. “You’re a femme aren’t you?” You asked him.

Kirishima’s face fell at your question only making you giggle. “For the last time, I’m not a mermaid nor a femme.” He arched his back slightly, raising his lower waist area where your attention was. “If you really want to know, check for yourself.” He raised his hands, almost trying to say that he tried to warn you.

Deciding to go against the loud sirens going off in your head, you decided to touch his slit. At first nothing happened, however you did notice that the area around it was rather soft. You stuck your finger through it, making Kirishima take a sharp inhale at the breach. His face was flushed pink slightly as he looked away from you embarrassed. You removed your finger, noticing a sort of slick like substance leave the slit. You looked at your hands and then down at the slit and then back at him. You were literally about to accuse him of lying to you when you now noticing something peeking out from the slit. You tilted your head in surprise at the sudden appearance of something. You tapped it a few times. It was soft. Smooth but it seemed to be getting harder. It looked eerily like something you had. Before you could comment you then noticed that it was growing.

Rapidly growing.

Until you found yourself face to face with what you could only think of calling, a dick. Actually there were two of them. You tilted your head in wonder at the both of them. You touched one of them making him twitch. You heard Kirishima whine at that. You turned up to look at him. His face flushed as he bit down on his bottom lip, his hands balling up the sand underneath him so that he couldn’t lose control and possibly hurt you. You returned your attention back to his twin cocks. You wrapped your warm hands around the base of them, your fingers couldn’t even touch. It was coated in that slick like substance you notice earlier. You moved your hand up and down and then you noticed from the end of it, a white substance, trickled down in a drop.

Kirishima let out a soft groan. “If... if you... I don’t want to hurt you. It’s close to mating season and I really don’t want to harm you.” He let out worried for your safety.

“Do I... do I just put it… them… back?” You asked.

“Uh no...” He let out nervously with a chuckle. “They sorta just goes back on their own after a while. Just ignore them.”

“Well it’s kinda hard to ignore when your cocks are out, Eijiro.”

Kirishima furrowed his eyebrows and tilted his head. “I don’t know what a ‘cock’ is, b-but...” Kirishima closed his eyes briefly as he relaxed for a moment. You hadn’t stopped your touching or prodding on him. He let out a soft moan, trying to remember what he was saying before getting lost in the pleasure that he scarcely felt outside of mating season. “I... I don’t think I have that. Those...” He pointed down to what you were still holding in your hand. “Those are tendrils.”

“Why do you need two of them?” You asked shocked. He shrugged as an answer to your question. You looked between him and his coc-... tendrils? Yah you weren’t calling them that. You sighed feeling ass though you had put yourself into quite the situation that you didn’t know how to get out of. Well, at least you could cross off giving a hand job to a merman off your list. “Seems like we need to put them away then.”

“H-How…” Kirishima looked at you hesitantly. “How are you going to do th- Fuck!” He moaned out as you licked the heads of his cocks. You moved your head back shocked that he didn’t taste as salty as you thought. You hummed as you brought your mouth to the head of one while you moved your hand up and down the other. Kirishima whimpered at the feeling of your hot mouth on his cocks. He didn’t understand why you had put your mouth there, no one was supposed to do that, but at the same time, it felt so good that he didn’t want to tell you to stop. “Oh... oh fuck. That’s... that’s good.” He expressed to you, his eyes closed as he tried to control himself and not grab onto you and probably fuck your face.

You tried to focus on dragging your tongue around his sensitive length. He was pretty vocal but tried to hide it by biting down on his bottom lip and partially covering his mouth with his hand. The sounds he released went straight to your sex, only encouraging you more and more. You continued to move your hand up and down his other cock, using the precum that dribbled out of it to make gliding your hand easier.

He wiggled and writhed in your grasp. Kirishima tried so hard not to hurt you. He really didn’t want to hurt you, but you were making it so hard for him to push his instincts back. You were making it so hard not to just grab you and rut against you as if he had no other goal in life. “Fuck, I’m sorry. I’m so sorry but...” Kirishima apologised profusely as he brought his hands down to the back of your head. “I’m so sorry but I need your mouth.” He apologised as he forced you down around his cock till he was hitting the back of your throat. He bit down on his bottom lip, his eyes rolling back in ecstasy. He groaned out loudly as he held you down. Tears sprung in your eyes as you chocked against his cock, you tightened your hand around the other as you braced yourself against his tail. Remembering that you couldn’t breathe, Kirishima pulled you off his cock for a second.

You gasped, saliva dribbling out of your mouth. “Holy-” You didn’t even get to finish your two word sentence as you mouth was forced back onto his cock, your warm cavern providing shelter for the normally cold blooded mer underneath you. Kirishima whimered at the feeling as you swallowed around him, trying to take him in deeper.

“Oh my All Might’s seas.... fuck... I’m gonna cum. I’m... I- I'm so sorry but you’re just so...” Kirishima groaned as you held you down for a few seconds. That’s when you noticed the twitching of his cocks and the sudden explosion of cum in your mouth. Kirishima rolled his eyes back with a moan as he thrust into your mouth. You choked almost immediately at the overwhelming amount of it all in your mouth. You tried to swallow as much as you could but coughed, removing your head gasping for air.

You coughed at finally able to breathe. You sat back trying to finally get air back to your lungs. Unlucky for you, Kirishima was far from finished. Suddenly you found yourself on your back. You coughed as you looked down at the huge mershark that now had you pinned to the sandy floor of the cave you were in. “E-Eijiro... Wha...” You tried to cough out, but everything you were saying was met with a silent mershark on a mission. His pupils huge as he was trained on your body underneath him.

He spread your legs easily, pulling at your short and easily tearing through them with his claws. You gasped at the violent action as he found himself finally face to face with your sex. He stopped for a moment, taking notice of how different it was from femme mers. He moved slightly back, settling between your legs as he watched your sex. It was already glistening with slick which he knew as a good thing. He sniffed again, affirming that he was right. The nice smell was coming from you. Inside you most probably.

Maybe you humans also got affected by pheromones too. He sure hoped so.

Kirishima’s mouth got closer and closer to your sex. “Uh... Eij...” His eyes flicked up to you. You looked embarrassed as you looked down at him. You squirmed under his heated gaze. “Be careful with the teeth.” It was then that he remembered he couldn’t just, quite literally, eat you.

He nodded and without another word, he licked up your slit making you tense. His hands easily gripped your thighs as to hold them in place to allow him to access you without hindrance. Kirishima groaned as he moved back, his eyes practically black as his pupils took most of his eyes. He seemed to find his new favourite place. Deciding to dive back in, he licked and sucked at your sex making you whimper and squirm.

For a man who was half fish, he seemed to be really excited about this. Really excited, because it felt as though you couldn’t catch a break with him. You whimpered as your thighs tensed around him. Kirishima flicked his tongue up by your clit. You thrusted down against his face on instinct and he stopped for a moment. You had let out a moan that was louder than the rest. So clearly that was a sensitive spot. Focusing on the nub that was starting to harden and make itself known, Kirishima gripped you harder as he sucked against you.

Your hands balled up the sand as you moaned, grinding down against his face. You were too caught in ecstasy to care about much else. You moved one hand to bury itself in his red locks of hair. You pulled him closer to your sex, wanting him- no... needing him closer. You whined and cried out as he continued his onslaught against you. Lapping and drinking you up as if he was a man starved, as if there was no greater thing in life than to serve you and give you pleasure.

Kirishima wiggled squirmed in the sand, already lost in your pleasure alongside you. “O-oh. Oh fuck, Eijiro.” You whimpered as you felt the coil in your stomach tighten as your thighs started to tremble. You felt your heartbeat increase as you knew you were going to fall off the cliff of pleasure, hard and fast. “Shit! Shit. Eijiro I-” You tensed for a moment, before rolling your eyes back and moaning loudly. “Fuck!” He didn’t stop as he continued to suck on your clit and lick up your slit, prodding at your hole in alternating movements. You were tense as you came hard against his mouth. You finally relaxed down against the sand, your breathing heavy and your eyes closed in relief.

However, Kirishima didn’t get the hint. He continued lapping you up, not letting a drop of your slick escape his tongue as he viciously continued to eat you out. You whimpered at the overstimulation as you started to quiver in his hold. Your whimpers sounded like music to his ears as he continued to lick and lap at you.

Then Kirishima heard a chirp. He stopped for a moment and turned his head away from you to look at the pool behind him.

Staring with judgement was another set of red crimson eyes. They glared for a moment, looking at you and then at Kirishima. The mysterious mer had blond hair that fell down with the water. Kirishima perked up at the familiar face. He smiled broadly, slick and cum dripping from his chin and face as he looked over at his friend. He then glanced at your still heavily breathing state, with your legs spread wide for the blond’s eyes to also see. “Look Y/N, it’s Katsuki!” He told you, but you weren’t really listening as you tried to finally relax and catch your breath.

Kirishima pulled his body over to the water closer to the blond. The blond lifted the rest of his head out of the water, orange finned ears moving down as he hissed at Kirishima almost scolding him. Kirishima seemed unbothered with the hostility as he chirped over at Bakugou.

“Shitty hair, what the fuck are you doing?” Bakugou asked glancing between you and the redhead mershark. “Eating a human! You know how much serious trouble you can get into for doing that!” He reminded Kirishima. Eating humans was forbidden now, due to how advanced and determined humans were when one of them died. “It could put the whole pod at risk.”

“Come on, Katsuki. I’m not eating them! I’m just licking and tasting. Don’t you want a taste too!” He asked with a whine as he moved closer to the blond.

Bakugou’s eyebrows bunched up in confusion as he looked at the redhead with judging eyes. “Taste of wh-” He was interrupted as Kirishima’s lips were on his.

Now that caught your attention. You moved your head up to find the two mers sharing a kiss. Kirishima was first to move back, happily glad about what he had done. He had a grin on his face as he looked at the blond mer. Bakugou licked his lips, tasting you on his mouth. He didn’t say anything. You watched as the blond mers’ pupils went wide as he turned his eyes to you. Specifically, to your sex that he could still see easily. You knew that predatorily gaze.

You tensed.

Fuck.

Now there were two of them.

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justatypicalwizard · 1 year

Text

Rough and new | bakugo | part two

✦ Summary: You meet a new and interesting creature that seems to share your curiosity. Both of you have motives to your actions that turn out to be vastly different.

✦ Warnings: mer!Bakugo, fem!reader, adult reader, smut(ish) content due to the curcumstances of the story do not expect full smut, dubcon

Minors do not interact

Humans are specific, very weird in their actions and customs yet, like every other creature in the world, they deserve respect. Some mers know a lot about humans just as some humans know a lot about mers but on a daily basis the sea specimens don’t really care for the two-legged. They were always present in the world and that’s just it.

Due to that, humans were never really present in Bakugo’s mind. He never anticipated he would become so attached to one of them.

It was a peaceful day of hunting, guarding and all of the other shit he has to do for the colony. The dynamic of the group he’s in fluctuates easily. It’s a mixed group of mers, which in his mother’s opinion is healthier than living in a similarity-exclusive one. Because of that the mers living in this place are of all colours and shapes. Because of that he was also destined for a certain role. His mother taught him, from the very beginning, how to be a warrior, a tough and resistant one. At a very young age he picked his weapon- a sword.

Now he was sitting on a rock next to the main gate of his group habitat. It was hard to give a proper name for places like this. Mers mostly availed what the natural landscape gave them, building their homes from what they found. Bakugo’s home was situated in an underwater cave hideout. The undetermined and rough shape of its inside has been softened by decorations, lamps and various different signs of family life. Yeah, the whole group of mers was mostly like a big family. Smaller caves, often connected to others by winding tunnels and corridors, were occupied by single mers or families. Elders and adults spent their time educating the younger, pursuing the groups history by painting murals or telling stories or just simply scolding the youth for their dubious games and horrific lifestyle. The stronger ones went hunting or guarded the main, and a few smaller gates. Pup’s swam everywhere when it was not lesson time playing the, earlier mentioned, dubious games.

Bakugo rested his back on the stone grumbling to himself out of boredom. He was well aware of how important keeping guard was. Even though nothing happened to their hideout for years it didn’t mean they could underestimate what the sea hid beneath its dark waters. As important as the job is, it is also painfully boring. Sitting with his sword sheathed on his back he looked at Kiri situated on the other side of the gate. The redheaded mer swung a heavy war hammer in his hands, back and forth. Ditching the designated sitting spot for a guard, Bakugo swam to his friend.

‘’Whatcha doin’ Katsuki?’’ Kiri’s soft yet masculine voice rang through the silent, slightly too loud.

‘’You saw me for the last thirty minutes, what could I be doing?’’ Bakugo asked, slightly annoyed. He wasn’t irritated by his friend but more because of the overwhelming boredom.

‘’I don’t know, I’m gonna fall asleep any second now.’’ The redhead sighed, not losing the wide smile from his prominent face. He was so used to Bakugo’s causticity that he didn’t mind the snarky remarks.

‘’Better not, my old hag is gonna bring us food any minute now and she will kill you if she finds you asleep.’’ The blonde smirked at the thought of his mom giving Kiri, yet another, earful. She treated Kirishima like her own son which ment hard love and a lot of scolding.

‘’Thanks for reminding me that I’m hungry, now ‘m not only bored but also starving.’’ Kiri deflated on the stone he was sitting on.

‘’Worry none.’’ Another blonde mer swam their way making Kirishima perk up on the stone and Bakugo turn around with an always present frown. ‘’Here boys.’’ His mother handed them fish placed neatly on seaweed. It was chopped and decorated with some seasoning but still pretty much raw. ‘’And why exactly are you not sitting on that stone?’’ Bakugo’s mother pointed to her left with a scrutinising glance.

‘’To piss you off.’’ He spat before digging into his meal.

‘’Thank you for the food.’’ Kirishima tried to sooth the growing tension between the two explosive mers but his tries backfired instantly.

‘’Yes, thank you to Eijiro. Don’t you think using magic words would be nice brat, eh?’’ Bakugo’s mother swam closer to him, yet her son kept ignoring her, on purpose. ‘’Do you really think this is a fucking game between you and me?’’

In their pup’s years Bakugo always fought with his mother. Having no proper fatherly figure he was forced to rely on her. She never let him down but there was one certain problem. The two shared nearly identical tempers which turned out to be a minefield. From the very beginning Kiri remembered Bakugo always ranting about how stupid his mum is and how much she expects from him. Of course he didn’t really think like that, at least not about the first part. On the other hand the expectations… they were high.

Bakugo’s, Kirishima’s and a few other families had been the main guards and warriors of the whole colony for a long time now. Raising him a certain way was obvious and the blonde didn’t have a problem with it, at least with most parts. He loved being a warrior, training and fighting, bathing in the glory that no other speciality could encompass (at least that’s how he saw himself in his head). Unfortunately there was one thing that he never agreed to and always fought off.

The mating.

Kirishima was well aware that the same responsibility lay on his shoulders, but for his own peace his parents didn’t pressure him about it. The thought rooted in his head was enough for them to be calm about their son living up to the expectations. Bakugo on the other hand openly voiced out his total disagreement. His tossing around made a handful of elders disappointed in him which also took a toll on his mother's reputation. These old pricks were so dramatic.

The duty was simple. As a warrior, mate in the best and most fertile years of your life. The later you’d start the lower the chances of breeding another great warrior. That’s something the colony could not suffer. Actively look for a mate or at least don’t brag about ditching your responsibilities (like a certain someone). The colony gave you the best meat, the best sleeping quarters, the best jewellery, all in thanks for your sacrifice, your hard training, your long hours of guard and your simple, natural duty of passing down your power with your blood.

This is why some looked at Bakugo with a mixture of emotions. He was great in everything he did, except for that one little thing. Why can’t he just obey?

Why? The answer is simple and one that the explosive blonde would never voice out to anyone. He was sacred. Mers mated for life so he had only one choice, for eternity. This made uneasiness bubble inside of his chest as if someone constantly reminded him that one mistake would doom him. He didn’t want a life of spite. For the one person in the whole sea who is supposed to be his soft spot and safe shore to be his collar.

Bakugo couldn’t believe how careless Kiri was about the topic. How little fear he felt. The redhead always said that he’ll just wait a bit more. Maybe the person isn’t from their colony, maybe he should visit some neighbour mer hideouts and look around there. He believes that when he meets the one he’ll know in an instant.

Oh yeah, Kiri was all ears for the elders' stories about how monogamy is rooted in mers DNA, how meeting the right person sparks something in you. It only takes the scent of the other person to recognise that you only have a half of your heart, the other piece is in their hands.

Bullshit.

Bakugo never believed in this shit. It was all a bluff to make them less hesitant about the mating for life. Nothing like that happened, at least not on a daily basis, not with everyone. The harsh truth was that he’d have to court someone he doesn’t even probably like and then bear with them for the rest of his life. And produce pups, oh for fuck’s sake, he’s so done with this. Nothing in the sea will make him end up like that. Not a chance.

Lately such thoughts clouded his mind every time he talked with his mother. Bakugo saw that behind her eyes, felt that in her angry tone. She was counting time for him, she was well aware of his statement, she hated it. Yet, she cared for him. If it wasn’t for the sheer fear of being kicked out of the colony which meant countless dangers for her son and a lifetime of loneliness, she wouldn’t pressure him as much.

Just bear with it, accept it and don’t be so hung up on the one small topic. You just have to make a few pups and move to a different pit. Later you can live your life how you want it to. Please…

Yet, she knew he wouldn’t listen to her begs. Softness and sweet words never laid in their dynamic. It was anger, frustration and ambition that pushed them, both of them, to the goal. She knew she had to do it like that, even if it wounded her heart.

‘’Not a chance.’’ Bakugo spat at his mother. ‘’Leave me.’’

She rolled her eyes knowing well, spotting it in his composure, that he didn’t mean the food she just brought, the long hours of guard he had to keep today or anything else. He was already deep down spiralling in his self-destructive thoughts.

She had to pressure him.

‘’Can you at least once in some time do what you’re asked and supposed to.’’ She growled at her son.

‘’And what the fuck do you mean by that?’’ His gaze was piercing but so was hers.

‘’You know damn well what I mean by that.’’ She pointed her finger straight into his muscular chest. He was bigger than her but their presence was identical, clashing, none of them able to take complete power over the other. ‘’What do you plan for mating Eiji?’’ Both of their blonde heads darted Kirishima’s way. The redhead prayed for this to stop before they smash him to the ground with their hateful gazes.

‘’I don't know yet…’’ He tried to wiggle out not hurting Bakugo but also not getting on his mum’s bad side.

‘’Don’t you lie to me.’’ That scrutinising finger pointed his way this time and he felt daggers shot at his chest in embarrassment. She read him like a book.

‘’I think I’ll visit some… other… colony…’’ Each word that rolled out of his mouth was more and more quiet until he was mumbling under his breath looking everywhere except for the two mers in front of him. If he’d stand up he'd be bigger than both of them but unfortunately he sat on that damn rock, looking small and not very serious afraid to move even an inch under Bakugo’s mother’s gaze.

‘’See? Is it that fucking hard to do anything?’’

Pretend, just pretend you’re doing something. You don’t need to settle down if you hate it that much. I don’t care if you breed another warrior, I just want you to be at peace finally.

She couldn’t tell him what she really thought. It would be wrong, not educational. She just prayed he would finally get to it on his own and pretend until people forget about this issue. He could say that he tried but never found anyone and they would believe, take care of him, saying how sorry they are that he didn’t find the one. And he would have lied to them for a bit and it would all be over.

‘’I’m not doing anything like that. Leave me.’’ Her son was unmovable, his feelings carved deep down into his soul. Stupidity and lack of cleverness too. Maybe also being truthful, he couldn't lie like that to himself or anyone else. What a disaster.

She left, huffing and puffing. He was also fuming for the rest of the guard with Kiri trying to lighten his humour, telling him that they can go together to search in other mer hideouts.

As his job for today neared its end Bakugo found his way back to their lair, having changed the guards. He was still angry, the intrusive thoughts never leaving his head. The blonde swam around pointlessly hissing at the pups that bounced off of his tail. He wasn’t able to find a place for himself. This feeling was familiar to him, as if the multiple layers of water above pressured him too much, crushing his form.

‘’Another fight for mating?’’ The blonde heard a familiar screeching voice.

Skula, one of the most elderly elders, swam up to him. Subconsciously he slowed down his pace for the crippling mer to catch up. She looked as if she was to fall apart any second. He honestly asked himself how old she was. Some said she forgot and came up with a random number every time someone asked about it. That way sometimes she was 98, other times 105, on better days 21.

One thing about Skula distinguished her from the majority of elders. She honestly liked Bakugo and believed in him without even a tint of dissapointment. Skula remembered the old days when the sea wasn’t as peaceful as it is now, maybe that’s why she had a soft spot for any warrior, or maybe she just recognised Bakugo’s distress.

Nevermind her motives, she held onto his fin, the one situated beneath his back. Usually that spot was reserved for more… intimate situations but Bakugo knew damn well that this old witch wouldn’t pass up an opportunity to entertain herself before she dies (and she looks like she’s ready to die anytime soon).

‘’Oh, you just swim too fast, I need some help.’’ She laughed at his eyes rolling.

‘’You just want a handful old hag.’’ Skula brushed off his remark.

‘’Another fight?’’ She pressured the youngster.

Bakugo only nodded. He never knew why but this woman always made him open up, even if it was just a tiny crack in his various defensive layers.

‘’Go clear your head before you bite any pup.’’ She patted his back a few times.

‘’No place for it here.’’

‘’You’re hot-tempered, angry and aggressive.’’ She began in a slightly lower tone, as if she didn’t want anyone else to hear her. Bakugo looked at her wrinkled face that held a mysterious tone in it. Was she about to start again with the stupid shells and rocks she’s been looking into all day long? Prophecies and shit? ‘’The ocean’s cold and calm, deep, dark and mysterious. You’re none like it. You shine my young Bakugo.’’ She circled soothing eights up and down his back. ‘’Don’t blame yourself for feeling out of place here when your heart’s not at peace.’’

‘’Do you really mean that I’m just a shity mer?’’

‘’No stupid, listen to me.’’ She huffed at his flat response. ‘’You need something else. I want you to see something. The waves told me about it.’’ There you go again. ‘’There’s something matching your temper that you need to see with your very own eyes. Something as hot…’’

If she’ll really tell me in a second that this hot thing is my butt then I’ll honestly kill…

‘’It’s up there.’’ Skula pointed her crippled finger upwards, following with her eyes. ‘’It’s big, hot and golden. It’s gonna speak to you, listen to all of your problems and tell you what to do.’’ She was mysterious yet enthusiastic.

Normally Bakugo didn’t follow Skula’s different prophecies and things she read out of scattered stones but this time…

‘’D’you mean above the water?’’

She nodded her head a little too fast, it looked like it could crack.

‘’You want me to swim to the surface and talk to… something big and fucking golden?’’

‘’Exactly.’’

This was stupid enough to entertain him. Beside there was one crucial thing that Bakugo was interested in. He never swam to the surface. It’s not forbidden but why should anyone do it? There was nothing interesting there for him. He heard stories that the surface felt hot, or extremely cold. It depended on something but he didn’t remember what it was called. Sometimes water poured from… something there. Ah shit, he didn’t know anything about the surface… and this only made him more interested.

‘’And when should I go, oh mighty oracle?’’ Bakugo asked Skula theatrically.

‘’Now.’’ She stated simply as if it was nothing.

‘’Now?’’

‘’I thought I was the deaf one.’’ She snickered.

‘’Don’t laugh at me old hag.’’

‘’Go, nothing’s gonna happen. Nothing bad my child.’’

‘’Mum will…’’

‘’I’ll tell her it’s my fault. What will she do? Shout at me, an elder?’’ Bakugo honestly loved this old witch and how she still fearlessly lived her life. Jokes will never leave her side.

So Bakugo went, up and up and up. With only his sword, frustration and the stupid little prophecy that a golden thing will cure his problems. It felt tiring, as if the water above was endless. He imagined what it would look like, the very top. Would it be a single, straight line or did the water disappear gradually? Swirling and turning he went up, climbing layers and layers of water. It started to feel warmer. Why?

After a long journey he neared what looked like a breaking point. The water looked weird here, like it was pierced by something light. He had to squint his red eyes, slowly nearing the edge. Anxiety flooded over his body, pumped by his racing brain. Was he scared? Yes he was but he’ll never recognise it. Clenching his fists he swam up, finally breaking the surface.

‘’Ah fuck!’’ The mer growled as the sun burned his eyes.

After what felt like an eternity of pain his eyes finally started to adjust to the new light source. It was so bright, so hot it fact. He felt it on his cheeks. Was this why the water here was so hot? Guarding his eyes with his hands he looked around. The surface was weird, not exactly flat but also not gradual. It moved constantly, splashing aggressively. He liked it. There were some elements in his field of vision that seemed to stand still. One of them was a big rock. At least that’s what the thing looked like, it was similar to boulders down in his hideout so he just assumed the obvious.

Bakugo swam up to the rock. It sank deep down, reaching the downhill seabed. Behind this one there were a few more on them. Then he remembered. Big, hot, golden thing. Groaning, he felt the need to do as Skula pleased. She was the one that gave him this idea and he had to admit, the surface was more than he imagined. He felt so good here, between his and this world. The blonde honestly started to like how that hot feeling falling from above him kissed his wet cheeks, whatever it was.

He looked around, not spotting anything in particular. Then, he looked up.

‘’Fucking shit my eyes!’’ Once again he was blinded.

Shielding his face with his palm he took a glance up. There was something big there, yellow or maybe orange… gold? A very warm colour at least. The warmth seemed to flow from that. Was it the thing that Skula talked about? Did her prophecy really come true? Then did every one of her prophecies mean something? (If yes then he had a problem because she often foretell for him various stupid things)

Should he really talk to that thing? It seems pretty static and… not doing anything. He hated feeling dumb and that’s exactly how he felt right now.

Suddenly something splashed into the water near him. Instantly he lowered himself, burying his head under the surface. From behind the sunken boulder he saw some commotion in the water. Something was there, something big in fact. Should he retreat? No, he’s not a coward.

The thing stopped moving after a few seconds and he waited. It seemed like an eternity of him, hiding behind the boulder observing the very same spot, waiting for the thing to make its next move. It never came, the water splashed above him like it did all the time, swaying him back and forth against the stone.

His turn. Bakugo swam up closer, slaloming between the few stones underwater. Finally, he reached the one that particularly interested him. Something above the surface moved there and then went still. He couldn’t make out the exact shape because of the waves. He had to swim closer.

Putting both of his hands on the stones surface she went up once again, nearing the strange thing. The closer he got the clearer the image. The thing started to look just like him… at least its upper part. It had a face, hair, a torso, hands that held it form as if it was scared and…

As if he’d been lightstruck something clicked in his brain. That smell, that faint tint. He felt intoxicated as if he could only breathe this for the rest of his life. What the fuck was that? Why did he never feel it? Where is the source?

The thing moved, and he saw a hand stretched his way. The palm, the fingers looked just like this, except for his membrane. It didn’t have a membrane… that’s a human. The first human Bakugo ever saw in his life.

The faint smell hit him again. The human put their hand under the surface and touched his hair. He didn’t have a clue why he allowed all of this. Some mere human roaming their hands all over his head… but he liked it. The small fingers grazed his forehead slightly, their touch soft and subtle. It moved lower. With its palm just under his nose he finally got what he was looking for. That sweet intoxicating smell came from this human.

Bakugo felt a million emotions rush at one time. He was hungry, desperate, interested, intoxicated and horny. Could it be? Is this his mate? Do they feel the same?

He grabbed the tiny wrist connected to the small arm (at least compared to his). The human jumped back and started to squirm but Bakugo didn’t care. He was too high on the new feeling springing inside his ever so cold body to acknowledge that the human didn’t look at bliss like him. He pushed himself more and more wanting to show off his body and inspect the mate, subconsciously knowing how to court.

Suddenly the human screamed. The primal sound tore him out of his clouded state and he dipped back into the water slightly. The human hugged their wrist, then looked at it and finally after some time showed it to the mer. He saw a bruise in the shape of his hand.

Did he just hurt his mate? Were they this delicate? Fuck, he should have known. This was definitely not very courtesy of him.

‘’Fuck.’’ He mumbled.

Looking up at the human’s face he saw that the earlier fear subsided to curiosity once more. Were they also interested? He had to check.

Emerging from the water he sat next to the thing. It was harder than he anticipated, slipping at the first try. Something pulled him down like it was crashing down from above him, he felt heavy here. It didn’t matter, the intoxicating smell was more important.

Bakugo followed the human’s eyes and spotted that they’re looking at his tail. The small hand of the creature neared his scales. He felt excited, deep down he wanted this touch, he wanted that human’s hands all over the place where his skin met with orange scales. He wanted to tangle the human, wrap around them, claiming all of their body. He was blind to the crucial differences between him and them. Yet, his mum raised him to be somehow a good boy, or at least to have some manners. This was too intimate for seeing each other for the first time so he slapped the human’s hand away, much to his own displeasure.

He was happy, no, he was in a state of complete bliss. The creature, his mate, wanted to be close to him, wanted to claim his body just as he wanted to take theirs, they just showed it. The eagerness, that look in their eyes. Do they also feel intoxicated by the scent of his body? Should he show off more? Should he unsheathe his sword and show combat skills? No, he could scare them just as he hurt them a moment ago. This creature’s very delicate.

Bakugo was honestly out of his mind right now, blinded by something written deep down in his DNA. He wanted to touch the human, subtly, let them know that he wants to take it slow, the right way, and court them like they deserve. They didn’t once talk to him so he also stayed silent a bit scared after what he did to the human’s wrist.

Bakugo dipped his hand into the human’s hair. It was soft, extremely soft and delicate. It felt like nothing he had ever touched in his life. He smeared his hands all around the weirs texture wanting to feel the most of it until he heard something pierce his ears.

It was the human’s sound. He had no clue what it meant, not understanding a single thing but he loved it. The tone, so much more melodic than how he and his species spoke. Or at least that’s what he thought. He wanted more of that sound so he continued to play with the human’s hair.

That smell, it was still all around him, dripping off of the creature’s body. He wanted to scoop closer. Bakugo held the human’s hair and exposed their neck for him. The smell was thick there so he buried his face into the crook of their neck. It made his insides twist out of hunger and need. He wanted to devour them, have all this sweetness to himself, bathe in it, let his own skin soak with it. But he’s gonna play it nice, just like they deserve.

What did your body look like? He wanted to know every inch, every important thing. Their teeth, were they sharp like his? Do they have pointy canines just like him? He dug his finger inside the human’s mouth searching for an answer. They started to squirm. Did he annoy them a bit? He liked the thought. Loved the feeling of their body moving under his. He could make the trash, he wanted to hear those primal sounds erupting from their throat just for him and because of him. But he’s gonna play it nice.

Bakugo found his answer. The human’s canines were short and soft, just as he imagined. It was not perfect for raw fish but he didn’t care, the feeling of his mate being weaker and softer than him made him want to claim here and now. But he’s nice.

The blonde straightened his back moving away from his mate. He looked them up and down, pleased with what he had, excited for what he would do next, how their relationship would bloom and how he’d make them feel. He was still blind to the fact that your bodies were very… different.

PART ONE | PART THREE

SERIES MASTERLIST

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