trapped in a bomb shelter with your big bro naoya
cw: big bro! naoya x fem & afab! reader, dead dove do not eat, misogyny! (and it's my kink so it's not like.. refuted), mild degradation (naoya calls u dumb), but naoya's sweet too, depression and nihilism, masturbation (both of u), sorta dubcon (tagged), fingering, and light mentions of: p in v, somno, cunnilingus, bondage, cowgirl, humiliation kink (on you), naoya being possessive, 1.7 k words
18+, minors don't interact
It’s surprising when the attack is announced how quickly Naoya moves to grab you. The gears in your mind haven’t even processed the news—that doomsday is upon you—by the time your brother has you snatched up in his arms and he’s running.
Most of the clan’s away at a local festival—a whole kilometer’s walk from the great zenin estate and the bomb shelter your esteemed (and wealthy) clan head installed. You and Naoya are the only ones to make it in time.
Naoya has never been the warmest big brother. In fact, there have been plenty of times where you thought you hated him. But at the end of the day you know he cares for you—even if it’s in his twisted, roundabout way. Still, enough that you were his first and only priority to shove into the little bunker beneath your estate surprised you a bit.
You aren’t sure Naoya thought his decision out—you know he didn’t have time to properly. The way he rushed to your room and scooped you in his arms, no pit stops before locking the thick bunker door closed behind him—before anyone else had the chance to join. It ended up being for the best, explosions outside were heard only too shortly after—still, you hope he doesn’t regret it.
You’re nearing day 10 inside your small shelter, and if the shaking ground and dire radio warnings Naoya managed to pick up are any indicator—the world outside isn’t going to be inhabitable again for a while.
Naoya is handling things better than expected. He’s thrown himself to small tasks—keeping the mind sharp he calls it. He’s less grumpy than he could be—resilient. Honestly the one lacking in mental fortitude is you.
“You can’t just sit there watching me do push ups. You need to move around too, dummy.”
“Nii-san im starting to lose the point.”
“The point?”
“I don’t understand why anything matters anymore if we’re all that’s left.”
He wipes sweat from his brow, glaring at you while he drinks some water.
“You just said it. Things still matter because we are still here. Eventually outside will be safe again and we’ll get out and start over. Don’t get all stupid and weepy in the meantime.”
You try to stay occupied, you try to do as Naoya says, but still, you struggle. Spending day after monotonous day trapped in here, you can’t help but start to get depressed.
Then one day Naoya says he needs to touch himself.
And there’s no room for you to avoid him while he does. You’re uncomfortable—-giving him a look that conveys it. But he insists he has to.
“I’m a man. Don’t be dense.”
Before you know it his cock is out and he’s fisting it at a leisurely pace, leaning back on the bed with his other hand. You face away from him, trying and failing to focus on rereading your book. But then he says your name, and when you look he’s still exposed and hard, but he beckons for you to come closer. He isn’t satisfied with your closeness till you’re sitting beside him on the bed.
He’s still stroking himself slowly when he says: “You need this, too. Touch yourself.”
You freeze for a minute then shake your head. Is this some kind of test? It’s shameful…
“Saving yourself for marriage doesn’t matter anymore if we’re all that’s left. You’re practically mine now anyways, since our entire clan is obliterated. It’s just me ‘n you.”
...You need to collect your thoughts. In the first place… you’re unsure how far you could get away with disobeying your big brother. He’s been somewhat softer in the shelter, better behaved than he was outside, at least. But you haven’t forgotten the way he used to act when he didn’t get his way… conniving and nasty—you’ve witnessed his wrath more times than you can count. Notably, though, It wasn’t ever pointed at you—his attitude towards his little sister has only ever been mischievous at worst. He’d simply mock and pick apart, invade your personal space and mess up your hair—though you’re sure he’d have been much worse if you didn’t go out of your way to be inoffensive. All in all, a hard no from you now would be a first inside the shelter.
Then there’s the honest truth of the matter: he’s right. Naoya may as well be the last person on earth for all you know, and you have been going crazy with hormones and neediness—but too afraid to touch yourself with no alone time. It’s a week after your period so you’re pretty sure you’re ovulating, and Naoya’s been walking around shirtless, acting just as touchy as always, but kinder than usual—and it’s not like he’s unattractive.
It’s sick that you’re even considering it. Touching yourself at your brother’s command—you’re a daughter of a distinguished clan! Maybe this little bunker truly is making you crazy…
In the end, the same idea that’s been infecting your mind constantly post doomsday wins out: nothing matters anymore anyways.
That thought is how you justify laying back on the bed beside your brother, stripped of your robes and spread-legged, two fingers pumping in and out of your pussy while you buck against your palm.
Naoya’s sharp eyes watch from beside you, never missing a thing while he continues stroking his cock. You’re so relieved to be giving your pussy attention after so long, you don’t even dwell on how messed up it all is.
After a while of trying to cum but barely reaching that special spot inside you to do so, Naoya can’t take watching anymore.
“My sweet sister, how old are you, again? You can’t even make yourself cum?” Naoya tucks his hard-on in the waistband of his pants, focusing entirely on you.
The mattress squeaks as he scoots closer, large hand around your ankle to spread you wider for his gaze.
You stop pumping your fingers, giving him a slow stare. He frowns. “No, no, keep trying. Let me see what’s the matter.”
So you do, working yourself up while you and Naoya watch each other, humping your palm when you get close again. You whine, biting your lip while you brush against the part inside you that feels best. Still, it’s not enough. You’re on the edge of tears searching for that release when—
“Okay, stop, sweet thing. You clearly need a man to do this.”
You pant while you look up at him, remembering what exactly is going on here when you pull your messy fingers away. It only makes you wetter when you think of the nastiness of it all.
“Nii-san?”
It shouldn’t surprise you when his fingers replace yours, but it does, Naoya’s warm touch with no warning earning a little jump.
He doesn’t comment, only sets to work with his middle and ring finger sinking deep into your hole, curling right where you need them but couldn’t reach yourself, pressing his thumb to your clit at the same time.
It feels heavenly. So good you almost close your eyes, but you can’t somehow. You wouldn’t want to lose a glimpse of Naoya—his eyes are transfixing.
And, like always, Naoya watches you back.
His expression while he does is patient and relaxed in a way that reminds you of when he helped you with homework or something as a kid. Patient and bored if you ever struggled or needed help—like he always had low expectations for you. You suppose that’s why he had so much more patience for you than he did for other family members—your shortcomings were at times endearing while those he thought were supposed to be strong had stricter standards.
Ultimately, an inability to make yourself cum seems like something Naoya expected of you.
And he wasn’t lying about his ability to help—his bigger fingers fit inside you just where you need them, and it takes your brother only minutes to earn your release, clamping down on him while you make a mess on the bed, crying out and arching—after edging for so long the orgasm lasts what feels like forever.
Noaya fucks you after that. He may as well, he tells you—he still needs to get off and it’ll feel good for you this way too. And he’s right, he may as well. It’s the end of the world and your brother may as well fuck you. And of course his cock feels amazing—it manages to feel like a solace in this bunker where nothing matters.
After that day, miraculously, you start to perk up. Naoya figured out the key to your depression, the key to keeping you occupied—it’s sex. Everyday your big brother fucks you and every day you get better.
Things stay interesting because when you’re fucking every day—you experiment. Or at least, Naoya does—he’s the creative one between the two of you, you’re just along for the ride.
You wake up in knots of rope one morning with Naoya’s tongue between your legs—you’re in the middle of an orgasm. He splits you open on his cock afterwards for good measure. He lets you ride him another day, something you’re fairly sure he’s never let a woman do. You cockwarm him while the two of you read a book at the same time—it’s silly. He’s kept you tied up almost an entire day before, doing whatever he wanted, exposed and embarrassed. You’re his little cock sleeve of a sister, he says.
“You know I’m actually glad that at least this way, stuck in here, no other clan can have you. They wouldn’t deserve you as a wife, not one of them. It’s a silver lining—this way, you’re all mine.”
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‼️NIGHTBRINGER LESSON 35 SPOILERS‼️
masterlist
normal and hard spoilers
can i just start off by saying "the heart's murky depths" is a crazy title for the lesson opener ???
oh he's down HORRENDOUS, but his pride won't let him show it
talking about some "not that i want you to stay or anything...but you should stay and be a professor at RAD so you never have to leave my side 🥺👉🏽👈🏽" YOU AIN'T SLICK !!! I'VE KNOWN YOU SINCE PRE-COVID 2020
*ahem* my bad
LOUD INCORRECT BUZZER i wanna go home...kind of. like yes mc have a hard time dealing with the idea of leaving, but it's not like they'll never see a version of the brothers again. they're more likely to never see mc again, but you never know with all the time soup shit
i feel like lucifer feels indebted to them in some capacity since they did help bring the brothers closer in the span of a few months max. idk i feel like he's not only sad about them leaving, but doesn't know why they're choosing to go a roundabout way when he thinks they could literally ask barbatos to make a portal and send them home. the whole losing magic thing also wasn't explained to him, it was just stated as fact with no explanation
idk i'd be skeptical if i was lucifer too
i still think he wants mc to stay just as much as they do, if not even more, but he's better at hiding it. i also think he's protecting, but maybe that's just me protecting ??? idk
or MAYBE he's mixing up their desire to stay in the devildom in their timeline, but can't differentiate it since he's not as knowledgeable about time itself. so he's not wrong, but he's not entirely right either. mc is split, and they think having all the pacts will make the decision easier since it's already what everyone's expecting them to do
...we're gonna have to go with lucifer, aren't we?
don't get me wrong, i love him down, but can't they just talk like regular people 😭 the avatar of pride really can't put his pride aside for 2 seconds like damn /j
i just KNOW he said "oh but it is" in the most sarcastic voice ever. like sharpay from high school musical type shit. love him down
dickhead older brother lucifer is my favorite kind of lucifer bc he's just like me 🫶🏽 except i'm a dickhead older sister. like there was no need for him to say that AT ALL, but he had to get the last word before he disappeared with mc for 3 days with no contact just to piss his brothers off
i love a wholesome family dynamic just as much as i love them being shitheads to each other
damn why are you always on dia's dick ???? BACK UP
the shitheads 🫶🏽
(random side note, idk if everyone plays the game with the sound on, but i play it with headphones on. the screeching train noise scared the SHIT outta me oh my god 😭 my dorm mates probably think i'm crazy)
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Can I tell you that we kinda know about Belos's whole deal is something we...know about now and that have effects on how we talk about him, even if we'll try our best to avoid spoilers
Alright, I've been putting this one off for a bit because I wasn't quite sure how to respond to it, but let's not delay this any longer.
So, first off, I'm assuming you meant well sending this ask, which is why I’m giving it a proper response. But I have to be honest: this ask kind of does rub me the wrong way a little, for a couple of reasons.
The first is that this information, in itself, could be considered a spoiler. I'm aware that Belos is a major antagonist for the series, and from that I can extrapolate that while I don't know much about him at this point in the series, there will be much more revealed about him at a later time. But if I didn't have reason to believe that, this would be telling me something about the series that I don't know, and that's still a spoiler, regardless of how it's phrased!
The other thing is... doesn't this go without saying?? As far as I know, everyone who's following along with this blog has watched the entirety of the series. That means that you all have way more information about the characters and the plot than I do, and naturally this means that there are certain subjects, and certain characters, that you really can't talk about properly while I'm still on episode 11 out of 40. I've never asked people to send me messages about things I don't know in the show, and I don't plan on doing so anytime soon. That's just how liveblogs work. So... I don't feel there's really a need to clarify this at all?
I know you can't talk about this guy without spoilers. That's why I haven't asked anyone to. Whenever I bring him up in a post or during my liveblog, I'm imagining him as a vague idea of a person in a position of power who's probably malevolent to some degree, which is the extent of what I know about him as a character at this point. I'm not expecting anyone to share their thoughts on him until, at the very least, he's been properly introduced. I don't even know what he looks like!
I'm sorry if this response seems a bit heated. I'm not upset, I just want to get my points across as clearly as I can. I can only guess at why you felt it was necessary to send this message, but I think the less said about the aspects of the show I'm not yet familiar with, the better. For now, I feel that there's simply no reason to send me any info about a character who hasn't made a single appearance in the show yet. That can come later!
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