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rivlin8781 · 17 days

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Good Boy

Frank Castle x Matt Murdock

Summary: Frank loves giving Matt nicknames and wonders which one he likes best. There's one that Matt definitely likes particularly much.

Explicit 🔞 • WC: 2,7k

Tags and warnings: smut, light Dom/sub undertones, praise kink, pet names, come eating + sharing, bj

A/N: Based on this small comic. The second I saw it, I knew I needed to put it in writing and give it an end. I really hope you like it @kuriusagiart. Thank you for allowing me to write for you 🧡

Read it on AO3

As soon as he was through his apartment door, Matt heaved a giant sigh of relief at being back home after a long, very long day. The days had gradually gotten warmer, which did nothing for the fact that he had to wear a suit to work. Whichever suit or work it might be, too. He put the jacket that he’d been carrying over his arm on a coat hanger next to the entrance door and untied the already loose knot of his tie until he could take it off. While he walked further into the apartment and towards the bedroom, the entrance door closed before heavy footsteps sounded from behind him. Inside the bedroom, Matt put the tie on a dresser, where Frank joined him without a word and pressed his chest to Matt’s back. It always amazed Matt how much Frank seemed to need to touch Matt after a tiring day, trying to get to skin as quick as possible. Frank never let anything on outside, but as soon as they were out of the public eye, he was all up in Matt’s personal space. Not that Matt could complain, as he smiled to himself when barely a second later, Frank slid his hands under Matt’s arms to reach for the buttons of his shirt, his lips mouthing over the back of Matt’s neck.

“Frank, you’re gonna ruin my shirt,” Matt grumbled at the hurried way Frank was dealing with the buttons, the threads holding on for dear life under his rough fingers.

The only downside to all of it was that a few of his dress shirts had suffered from Frank’s hastiness; buttons flying, a rip there.

“Altar boy,” Frank grunted back, not stopping his assault on the shirt whatsoever and instead lifting it over Matt’s stomach to get to the last buttons.

While Matt undid his pants at a slower pace, he rolled his eyes good-naturedly at Frank’s use of that nickname.

“You are such a nickname freak.”

Frank snorted. An instant later, Matt could feel the grin against the side of his neck.

“What’s your favorite?” Frank wondered after uttering a satisfied sound at finally getting Matt’s shirt fully open and pulling at it to expose more of Matt’s neck to him. “Choir boy?” He kissed his way along Matt’s shoulder as he tugged a bit more at the shirt to pull it down one arm now.

Matt didn’t reply and instead turned his head to the side to give Frank more access to his skin, which rose with each of Frank’s touches.

“Red?” Frank continued without missing a beat, while keeping his attention on Matt’s neck and shoulder, leaving a trail of small marks over it.

Again, Matt chose to ignore him in favor of enjoying what Frank was doing with his mouth and hands.

“Babe?” Frank intoned with an audible smirk now, the term getting a grimace of disgust out of Matt. “Sweetie?”

This time, Matt had had enough.

“Ah, shut up. Ew!” he groaned on a shudder, and pushed Frank’s face away from him with a hand against the man’s cheek.

Frank laughed heartily, the sound vibrating against Matt’s hand and through his body before he caught Matt’s wrist. There was a sudden shift in Frank’s whole body language, as well as in the rhythm of his heartbeat and breathing, which had Matt stilling as a shiver ran through him.

“Or…” Frank drew out the word as he gently tugged at Matt’s wrist, his voice lowering a few octaves before he slowly licked his way between two of Matt’s fingers, teasing at the center, which got a small gasp out of Matt. “Good boy,” Frank rasped in a low and gravelly voice, right against Matt’s cheek and ear as he wrapped his arms around Matt’s chest.

The name hit Matt like a ball of heat that spread through his whole body and located itself in his chest and groin. He felt his face heating, while his mouth went slack and let a soft moan escape. Until Frank had called him that for the first time, Matt never would have believed that he could respond that way to being called that particular pet name. Or the idea that he could crave the satisfaction of being good for someone, being praised. The first time Frank had called him that, Matt had felt deeply embarrassed by his reaction, coming so hard that night that he’d gone dizzy with it. Frank’s own reaction to how Matt had responded had been enough to soothe that feeling, however. He’d come just as hard as Matt, a feeling of surprise and awe rushing over to Matt from the other man. They hadn’t gone down that path anymore, until tonight, but Matt had known that first night that this only worked for him because it had been Frank.

Frank made a pleased sound and curled his fingers under Matt’s chin to bring his face towards his. Using his thumb, Frank rubbed along Matt’s bottom lip and slightly pulled it down.

“Yeah?” Frank whispered against Matt’s lips. “Wanna be a good boy?” he continued, and slid his other hand down to slip it inside Matt’s boxers.

Matt’s entire body jerked at the feeling of Frank’s warm and callused fingers wrapping around his length, which had gone from interested in the proceedings to fully hard at Frank’s last pet name. He moaned as Frank pulled him out of his boxers to give him a few perfunctory pumps.

“Please,” he sighed, and parted his lips further to let Frank’s thumb into his mouth.

Frank groaned deeply as Matt sucked and nipped at his thumb, his own cock pressing more insistently against Matt’s ass.

“Only got started, and you’re already beggin’?” Frank hummed appreciatively, swirling his other thumb over Matt’s slit that was starting to leak pre-come. “Gonna make it real good for ya.”

Matt’s hips bucked forward as Frank tightened his fist and twisted it over the head to coat his palm with Matt’s pre-come, before sliding back down all the way to the base. Matt had to reach for Frank’s thighs to anchor himself as Frank began jerking him off with a rhythm that only quickened with each downward stroke. He tilted his head back over Frank’s shoulder as he gasped and moaned, his hips twitching and thrusting forward on each particularly sharp pass over the sensitive head.

“Not gonna hold out long, huh?” Frank rumbled against Matt’s throat that he was kissing and sucking on anew, while his other hand kept Matt’s body steady against his own, the palm resting over Matt’s chest.

He certainly knew Matt’s body and its tells perfectly, since Matt was indeed only a few strokes away from coming. Nodding jerkily with a tiny whine as his breaths came at a quicker speed, Matt’s grip on Frank’s jeans tightened as his orgasm began to rise, his whole body going slowly taught in anticipation.

That's when Frank took his hand away.

Matt's entire body pitched forward at the sudden lack of contact on his cock, the delicious tightness gone.

“Frank!” he gasped, as out of breath as if he'd run a marathon, his fingers scrabbling at Frank's arm over his chest in despair. “Please, don't — I — please.” He had a hard time focusing on his words, Frank's earlier use of the pet name and his need to come taking up his every thought. “You said — you said you'd make it good. You said-”

He cried out hoarsely as Frank's fingers abruptly returned to his cock, even his heightened senses having not warned him of the impending contact. Matt went up on his toes for a brief moment as his head flew back over Frank's shoulder, his fingers digging into Frank's arm as Frank's hand flew over his length.

“Sh, sh, 'm sorry… Just couldn’t help myself,” Frank admitted in a rough voice right against Matt's ear. “Needed to hear you beg again… Fuckin' beautiful when you let go, Red.” He thrust his hips against Matt's ass, letting Matt feel the way Frank’s cock was straining against the fly, as well as smelling Frank's own pre-come through the barriers of fabric. “But you can come now. Been so good for me… Such a good boy for me.”

Between the wild pulls on his cock, the scent of Frank and the heat of his body taking over Matt’s every sense, the use of those two words again had Matt suddenly flying over the edge with a loud shout of bliss. His cock spurted long lines of pearlescent come all over the side of the dresser, until the last, weaker shots poured over Frank's fingers.

Matt slumped against Frank’s chest as the pressure of the entire day suddenly eased off him. Grinning, probably dopily, Matt turned his face towards Frank’s with a satisfied hum, until he felt Frank’s lips meeting his. Frank chuckled into the slow kiss, and squeezed Matt’s chest lightly. Reaching down, Matt caught Frank’s wrist and pulled the hand away from his spent dick, only to bring it to his face. Ending the kiss, Matt turned his head forward again to lick over Frank’s fingers, cleaning away the traces of his own come.

“Jesus fuckin’ Christ,” Frank grunted, before he was using the hand that Matt was so carefully cleaning to grab the side of Matt’s face and turn it to him to crush their mouths together again.

Matt groaned and turned in Frank’s embrace, opening his mouth for Frank’s insistent tongue, which was focused on getting its share of Matt’s release. The hunger in Frank’s actions had them stumbling against the dresser, Matt’s ass colliding with the wood as he caught their fall. He grinned to himself at Frank’s reaction, his senses taking in Frank’s spiking lust and rise in body heat, his dick hard against Matt’s hip. With a quick move, Matt had their positions reversed, with Frank now leaning against the dresser, his chest rising and falling quickly as he held himself up with his hands on the wood. Without another word, Matt sank to his knees in front of him and made quick work of taking care of the belt, buttons, and zipper. Even before he pulled Frank’s jeans down, Matt’s senses could make out the hot outline of Frank’s length. As soon as it was out of the confines of Frank’s clothes, Matt curled his fingers around it and leaned forward. He slowly licked and sucked over the head with the barest pressure, running the tip of his tongue along the frenulum and the slit at intervals.

“Shit, Red,” Frank rasped, sliding the fingers of one hand through Matt’s messy hair to gently grip it.

He might have been about to say something more, but Matt slid his mouth down to the base to suck there while he cupped Frank’s balls and stroked a thumb over them, cutting off any further words and transforming them into a long groan of pleasure. The sound reverberated through Matt, who moaned in turn at the knowledge that Frank was enjoying what Matt was doing to him. While he jerked Frank off, Matt’s mouth went further until he was tonguing and sucking at Frank’s balls. The fingers in his hair tightened, and Frank grunted as his hips bucked faintly. As Matt made his way back up to the head, Frank finally pulled Matt’s mouth away and tilted his head up.

“Open up.”

Matt obeyed immediately at the need in Frank’s rough voice, his jaw slackening and his mouth opening wider. A second later, Frank slowly pushed between Matt’s lips, sinking in until he barely grazed the back of Matt’s throat. Sliding back out, he did it again a few more times, until Matt moved in until Frank’s tip was pressing against his throat. He moaned throatily as he pushed forward, relishing in the small tremors of pleasure running through Frank at the stimulation, the fingers tugging at his hair, and the scent of Frank’s arousal sharping all the more.

“Fuckin’ Christ, the way you go off on that,” Frank rumbled in awe, as he did as Matt requested and thrust in and out of his mouth while getting deeper every time.

Matt only groaned and whined around Frank, his cock slick with Matt’s drool and making wet squelching noises each time Frank slid further down Matt’s throat. As he contracted his throat around Frank, Matt felt a rush of satisfaction at the cry of pleasure, followed by a sling of half formed curses that fell from Frank’s mouth. He moaned and redoubled his efforts as he could feel Frank getting closer, his sole focus on bringing Frank pleasure. However, Frank clearly had other ideas, since he pulled Matt off all the way by his hair but kept him close.

“Open up,” Frank repeated, his voice having gone to its deepest timber yet.

A shiver ran through Matt at the command and just like earlier, Matt did as he was told. He kept his hands on Frank’s thighs as he stuck his tongue out as well, giving Frank the opportunity to place the head on it as he stroked himself hard and fast. The bitter taste of new droplets of pre-come hitting his tongue had Matt groaning again, a shudder of anticipation running through him at what was to come.

“You’re fuckin’ perfect like that, Red. Gonna take my come like the good boy you are, right?” Frank gritted out between his teeth.

As tired as Matt might be from the long day and the very recent, spectacular orgasm he’d just had, his dick still jerked at the praise. He nodded enthusiastically and made a sound of fervent agreement, never taking his tongue away from Frank’s cock as he let his senses take in the way Frank’s body began to go rigid, how his breathing shortened and heat culminated in his groin. A few more passes of his hand over his dick later and Frank was coming, his hips jerking as he moaned and shot all over Matt’s awaiting tongue. Matt groaned at the sweet and tangy taste coating his whole tongue, not moving until he was sure he’d gotten all of it. He slid his lips around the head once Frank was done and sucked the last traces away, the act having Frank sighing and stroking his fingers through Matt’s hair. Satisfied that he’d gotten it all, Matt stood and cupped the back of Frank’s head to pull him into a kiss. Frank made a sound of surprise, as he was still reeling from his orgasm, only to wrap his arms around Matt’s back and growl into his mouth as Matt slid his still come-covered tongue along Frank’s. They only stopped kissing once every lingering taste of come was gone, and ended with their foreheads touching, breathing deeply and smiling lopsidedly.

As Matt put a hand on the dresser to pull away from Frank, it landed right into the little puddle of come that he'd made on the furniture. He grimaced and sighed.

“You really need to stop breaking or dirtying up my stuff, Frank,” Matt muttered with a pointed wave of his hand. It might have been Matt's come, but he blamed Frank for where it landed.

Frank snorted. “Didn’t hear ya complain, Choir boy.”

“Nope, not doing this again.” Matt shook his head with a roll of his eyes, but huffed out an amused laugh all the same as he cleaned his hand on the shirt he'd just taken off while he headed for the bathroom this time.

Frank followed again with a loud laugh and caught up with him at the shower stall.

“Nah, no need. Now I know which one’s your favorite,” he whispered into Matt’s neck.

Despite the tiredness, a frisson of arousal still went through Matt. Frank’s voice just had this effect on him when he was using that low tone. He was still too tired for anything more, however.

“Don’t you go wearing it out now,” he smiled with one side of his mouth pulling up, as he turned to face Frank.

Frank chuckled and made a noise of understanding, kissing Matt briefly.

“I can always try finding new ones you like.”

But the way Frank said those words told Matt that Frank was about to go for another round of silly nicknames, so he pushed him away.

“That’s it. I’m showering on my own.”

Frank laughed, but thankfully remained quiet, which granted him access to the shower in the end.