Chapter Text
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“Are you sure no other teacher can substitute your club activities?”
Obanai enquired as Mitsuri rushed through the house with her packed lunch, panicked eyes looking at the clock and muttering “I’m late, late…”
It was the same morning routine. Mitsuri always thought she had more time than she did and was rushing to leave the house so that she wouldn’t be late for work. Meanwhile, Obanai being the owner of his restaurant, could leave whenever he wanted, as he set his own working hours. If only teachers had that same luxury.
Mitsuri smiled at her husband, her green eyes warm with affection. “Unfortunately, no. Don’t worry about it, darling. It’s okay, I’m handling it well. The nausea has basically subsided by now. I think I can even start helping at the diner again!” She said with a little more excitement.
Obanai frowned, pursing his lips. He was concerned at the heavy workload his wife was carrying, which seemed to have doubled unexplainably in the past couple of months.
More faculty and student meetings, assigned clubs that she oversees, being unlucky enough to also be chosen as the teacher who has to stay with the misbehaving students in detention and supervise they are cleaning up the classrooms as instructed. A whole lot of extra responsibilities that she didn’t have before, and Obanai wanted her to take it easy, especially in her condition.
“I still think it’s too much work. You should be taking it easy; you’re only three months along, and the risk of miscarriage is its highest in the first trimester.” Obanai argues, still displeased at the school administration for not being lenient in these types of circumstances.
“I'm taking a lot of breaks in between, I promise. I really do have to get going, as I’m already strapped for time. Have a nice day at the restaurant! Don’t be so hard on the newbies okay, they’re trying their best.”
She gave him a smooch on his cheek as she exited out the door, waving a hand.
“Bye-bye!”
At random, Obanai looked over at the kitchen table, heterochromic eyes capturing the bottle of pills at the corner edge. Huh. If it was in that location, that meant…
He stood up, grabbing the bottle, going after Mitsuri before she completely left.
“You didn’t take your folic acid.” He admonished her gently.
“Oh shoot, you’re right!” Mitsuri gasped, looking back, and opening her palm for her husband to place the capsule in her hand. She swallowed it dry and smiled at him again.
“Thank you, honey. I’ll be back no later than six today. Love you.”
Obanai’s eyes softened, and he brought her back into his arms to give his wife a proper kiss this time.
….
“The foul language and bullying has to stop, Zohakuten.” Mitsuri sighed as she repeated what she’s already told her infuriating student at least five times now.
“I really don’t want to contact your guardian again. I’ve given you more than enough chances and I don’t think you are appreciative of them.”
It was the end of the school day, and she once again had to call the rude twelve-year-old in her office to talk with her after class to discuss his less than impressive conduct. The constant arrogance and disdain didn’t make him a very approachable child, which didn’t seem to bother him at all. Even worse, he actively picked fights with anyone who dared look at him wrong. To give her even more headaches, she bet. That kid hated her.
Today, Zohakuten was mocking one of his classmates, insulting him by calling him a pussy and a loser, taunting that he has a whore of a mom. Way too young to be so disrespectful. Especially when she compared him to his older brother. If not for their too-similar appearance, she’d say they come from completely different parents.
And it was only Monday. Talk about beginning the week right.
Zohakuten scoffed, rolling his eyes. “You think I care how many times you call Sekido over? Please. Spare me the threats.”
Mitsuri sighed deeply, frowning slightly.
“If that is how you want to start off the week, then alright.” She murmured, picking up the phone to dial the number she basically memorized by now.
Her eyebrows were furrowed, expression schooled into perfect neutrality – suppressing her soft smile to the best of her ability – as she requested Sekido, Zohakuten’s older brother and legal guardian, to have an after-school meeting with her about the boy’s most recent misconduct.
Like always, Sekido agreed, tone exasperated and slightly curt. It was to be expected.
She couldn’t imagine being responsible 24/7 for that rebellious brat and internally gives a quick prayer to the Gods that she be not so unfortunate. It must be taxing to go through these sorts of ordeals so often, and he shouldn’t be taking care of a young child with such a nasty temperament at his age.
Why the Kibutsuji household didn’t have a parent around was none of her business, and she has never asked. But she remained curious about it at times.
Mitsuri didn’t know much about her student’s guardian, but what she did know about Sekido was that he was a university student majoring in Law. Post-graduate. She was pretty sure he had mentioned it before. Or maybe it was Zohakuten. Who knows.
He was completing his practicum hours under an internship at a firm, probably an extremely prestigious one, since every single time she saw him in her requested meetings, he was always impeccable in a sharp suit.
Composed and professional, a remarkable difference from how he treats her when the classroom window is covered and the door is locked, the school desolate and empty.
“Kibutsuji-san.” Mitsuri greets him politely and bows, a well-mannered smile curving her lips.
“Kanroji-sensei.”
“Thank you for making the time in meeting me.” She took her seat, eyes following him down as he also sat on the rigid chair in front of her desk, giving her an imperceptible nod.
The crimson of the young man’s irises seemed like they glowed at times. The most vivid red she has ever seen.
And they looked her up and down, so quickly, it was like it hardly happened. He was always so subtle. Could be easily construed as a brief glance, that she seeing things. But she knew the truth of what was behind the sly gaze.
Mitsuri saw his next target of sight, those intense eyes roaming over her desk. A pause of silence, only interrupted by the heated grumbling of her cantankerous student, seated right next to this brother. He was the sole reason why this meeting was occurring in the first place. But no words were spoken. Not yet.
The whispers of a barely-there smirk threatened the corner of his mouth. Then she blinked, and like magic, the ghost of the smile was gone. His suppression skills were truly remarkable. But not enough to escape her razor focus.
She knew exactly what Sekido was thinking.
Mitsuri gasped, a hand shooting down to stabilize herself as he slammed her down right at the edge of her rickety desk.
Her students' exams were still fluttering and twirling their way almost dramatically to the floor when he pushed away the papers a little too forcefully, just moments prior.
“Ah– p-please be careful!”
Those large hands were more aggressive than usual when hiking up her skirt, fingers rough when he practically ripped her panties down, the thin fabric chafing on the sensitive skin of her thighs.
“I can’t go home with torn underwear…” She pleaded, receiving no verbal answer. He was a man of few words, but of much action. And that was the way she liked it. Despite her protests.
Instead, his response was to attack her neck, the heat of his lips traveling down her throat while he untied her frilly blouse. He knew her true desires perfectly.
Soft hitched breaths and mewls escaped her open mouth, head tilting back to give him more access, despite the disingenuous words tumbling out of her mouth. “He'll notice, my husband will –”
“I don’t give a fuck about your husband.”
The low growl of his voice making her skin flush and her lower belly ache with heat. He very rarely broke the silence, but whenever he did, it always made it count in the best way possible.
Mitsuri knew just how wrong it was to let this occur, to continuing this sordid affair, but her lack of control won over.
Every. Single. Time.
Mitsuri didn’t understand why she was being so reckless.
She should be more logical and level-headed than this.
As Zohakuten’s teacher.
As someone much older.
Sekido is most definitely in his early twenties, he doesn’t look older than that. It means Mitsuri is at least seven years his senior.
Logically, the incurred risks were not worth it. She could lose everything.
But despite her knowing this cannot end in anything else but disaster, it was clear from the very beginning, from the very first meeting, making eye contact with him and seeing those breath-taking features, those piercing red eyes, that she stood no chance.
More than just a typically-handsome man, he was beautiful. And Mitsuri loved pretty things very much.
For how young he is, Sekido is a very mature and serious individual. Well-grounded and always present for parent-teacher meetings whenever they are warranted. Which is often. She has no doubt he is probably the over-achiever, the top-performing student in his law cohort. She can tell he has a bright future ahead of him.
God, what a load of crap. Mitsuri wasn’t about to unironically espouse those loser red-pill rationalizations the incels constantly said about dating someone significantly younger than them, because 'she was so mature for her age.'
Barf.
How disgusting. She was disgusting.
She wouldn’t ever find out Sekido's exact age. She didn’t want to know.
Mitsuri didn’t need additional confirmation to feel even worse about her loose morals. Either way, it wouldn’t be enough to stop. Her weakness was too steeped in her now.
The sharp painful pangs of guilt were overwhelming.
Especially when she was in their bed, Obanai nestled behind her back, hands cradling her tummy, the tiny smile on his face signaling how genuinely happy he was about their growing family.
The guilt becoming unbearable when she tried to initiate sex with him and he refused, saying that she was too “delicate” for that, as she was still in the early stages of pregnancy and he didn’t want to place their unborn child at unnecessary risk.
Obanai was so stubborn, not budging in his decision, despite her persistent reassurances that she was completely fine, and the risk of miscarriage stemming from physical intimacy was basically nonexistent.
“Even the doctor told us there is nothing to worry, silly.”
“Silly or not, you looked like death the entire past two months and were even bleeding.”
“But-"
“I don’t think it will do you any favors.”
It's not like Obanai was truly protecting anything, no matter how minor the risk, since she was still being fucked, and rather roughly at that. Thus, the slimy, slick shame bubbled up, rising from her stomach to her esophagus.
But those feelings dissipated easily when her legs were squeezing around Sekido’s waist, while he was rutting into her like a beast who wants to mark her as his mate forever. Like he wants to breed her thoroughly.
It’s good she was already pregnant, and there was no chance it was his.
Nevertheless, Mitsuri didn’t want to tell Sekido about her pregnancy. He may stop touching her altogether and she couldn’t have that. Or worse, that he would be suspicious she was trying to baby-trap him or something equally ridiculous, even though they always use protection, whereas she does not use any with her husband.
There was no need for that. This affair had an expiration date and it was right around the corner. The clock was running out.
At some point, she would start showing. She’s already a little rounder, belly firmer to the touch, and her chest felt swollen, larger, twice as sensitive.
It was sometimes too much. Too intense.
The touch of his fingers and the slow wet licks of his too-hot tongue over the swell of her breasts, over her tender nipples, no matter how soft, evoked such a strong physical response, it was more than enough.
Mitsuri feared once or twice that she might orgasm just from the mere stimulation of her breasts, which was never a concern before pregnancy. He already noticed the change and was bound to notice more in the upcoming weeks.
This wouldn’t last more than a month, she was sure of it. And after, they’d go back to having their meeting about Zohakuten as if nothing occurred. So why bother trying to fight it? It never worked when she tried.
The infidelity was bad, there was no good excuse for it, because she didn’t have any. So bad, she was making excuses to stay later for bi-weekly “school-based” activities. Oh, she was active, alright, and mostly at school, too.
Harlot.
If Obanai ever caught wind of it, he’d divorce her in a heartbeat and she wouldn’t blame him. Despite this, it still wasn’t enough to stop.
At the very least, Sekido isn’t a minor. Or her student. Now, that would have been something revolting on an entirely different level, like prison-worthy obscene.
Mitsuri shook her head slightly, trying to come back to the present conversation. She hated going down that line of thought.
“Zohakuten has been misbehaving for some time now and at this point, it’s clear his detention stints are useless at correcting his misconduct. I truly apologize, Kibutsuji-san, but I must inform the school director and defer to his choice of disciplinary action.”
She didn’t want to say it outright, but she hoped he was mentally prepared for whatever followed. Punishment would be much more severe.
The holes Sekido was burning into his little brother's skull was almost scary. He didn’t bother asking if there was anything that could be done to prevent that from happening and tainting Zohakuten’s permanent record any more than it already was.
“…I see.”
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“I don’t understand why you keep acting like a dumb shithead!”
They were back home and Sekido was on his second wind of fury, scolding the brat again.
“How the hell am I supposed to work when you’re stuck at home for three whole days!? Aizetsu is useless and will leave you starving all day since the idiot can’t bother to cook the most basic of foods. Karaku is never at home, and Urogi's pilot school hours are all over the place!”
After the director's office visit, the decision for punishment was swift. Three days of suspension, and an official behavioral contract signed by the school administrator.
“Do you exist to make my life as difficult as possible?!” He snarled, blood eyes boiling in anger.
And Zohakuten, like a total weirdo, smiled. Which was such a bizarre expression on his face, as the gremlin never smiled, like if he didn’t have the capacity to move his muscles that way (which is saying something, coming from him).
“Work.” He repeated simply, saying nothing else.
Sekido looked at him strangely. “Yes, dumbass. Work. What keeps us afloat. It’s how I make sure we have enough food on the table, and how the bills paid. Are you slow?”
Zohakuten snorted loudly, amused. “Oh really? So, we’re getting by with prostitute money?”
At that, Sekido whipped his head around so hard to stare at the kid, it’s a miracle he didn’t hurt his neck.
“What??”
“Well, you said it was work, so now I’m wondering how much she pays you.” Zohakuten shot back, an eyebrow raised, tone of voice taunting and smarmy.
An uncomfortably long silence of bewilderment followed.
“What – what the hell are you talking about?!” Sekido bared his teeth at his brother, looking down at him as if he's better than him or something. Always judgmental.
Which is just rich.
Zohakuten’s smile fell off at last, eyes narrowing at him. “How stupid do you think I am?! I know you’re fucking my teacher, you nasty freak.”
Another long bout of silence.
Sekido’s mouth opened and closed multiple times, but no words came out.
Nothing to refute the kid’s claims, or to scold him for his foul language – not like Zohakuten would ever care.
There’s just…nothing, a whole lot of nothing that comes to mind.
“You didn’t think you were subtle, were you? It’s so damn OBVIOUS. From both of you!!!”
Sekido's brain continued short-circuiting, even if he wanted to defend himself, there was no neurons connecting successfully.
“You’re so gross and fucking embarrassing, I swear!” The brat’s voice was louder now, almost yelling. At him.
“What's worse is you know she’s married! She always has that huge diamond rock on her finger that could be seen from space.”
That shouldn’t happen, because Sekido was the authority figure here, and this little shit needed to be quiet, to be put in his place.
Sekido finally snapped out of it. “Shut your damn mouth, already, you have no idea what you’re-”
“And here I thought Karaku was the one to do something so low.” Zohakuten continued, calmer, facial expression flat, disappointed even, arms crossed.
“Ooohhhh??”
The amused, incredibly intrigued voice rings out from upstairs. Sekido closed his eyes, swearing loudly as he heard his twin’s voice.
Son of a…
Speak of the goddamn devil. And he’s coming in hot too, boots stomping down the stairs.
“Hold on, hold on, who’s married and what crazy shit is Sekido doing that is bad enough you’d think I’d do it instead??” Karaku appears with a wide smirk, sharp teeth gleaming worse than those faggy diamond studs in his ears and the thick gold chain around his neck.
As always, looking the part of a delinquent gangster-wannabe idiot.
“Fuck off, Karaku.”
“My teacher.”
Zohakuten answered at the exact same time that Sekido barked back.
Karaku blinked twice, taken aback for a couple of seconds. That is, until he fully took in what he heard and started laughing uproariously, so hard he was cradling his abdomen.
“Nah, you trying to pull a fast one on me, aren’t you kid? This tight-ass is getting teacher pussy? And married at that?! I know you’re lying. He doesn’t have it in him.”
Zohakuten scrunched his face at his older brother’s gross comments. “Ew. Stop.”
“Shut the fuck up and get lost, asshole.” Sekido finally landed on after trying multiple times to speak unsuccessfully, seething that Karaku hasn’t stopped laughing.
“You can’t land any dates cus of your ugly-ass mug and you’re expecting me to believe that shit? Hilarious!”
There was even tears sprouting out of his eyes.
“You have the same face.” Zohakuten pointed out, while Sekido was struggling to not explode and punch Karaku’s lights out, eye twitching uncontrollably.
“Technically, yeah, but there’s a reason why I got a rotation of hoes while Sekido’s roster is drier than the Saharan desert. I got the charm. The charisma. Poor guy got none of that, I think I stole it in the womb or something. Sorry, big bro.” Karaku shrugged, laughter giving way to an arrogant grin.
“Don’t you have drugs to sell, you goddamn loser? Why are you even here?!” Sekido snarled, fists tightening dangerously at his twin’s nonstop goading. “You’re never fucking here.”
Karaku hums out, jade eyes glinting with sinister amusement. “Oh yaknow, sometimes I gotta take a break from the biz. I was planning on going out in a bit, but I think I’ll settle in for today, this is too good to pass up.”
“You think you’re charming? You’re just community dick, easier than a back-alley whore. Daki has been blasting you all over her feed that you were the world’s worst lay and that you have ten different STD's.” Sekido jeered, having no other comeback than to insult him pettily. “Probably true.”
“Eh, she’s just pissed off cus she caught me balls deep in her best friend. Don’t worry, by tomorrow, she’ll be begging for my cock, again-”
“I AM STILL HERE, YOU KNOW.” Zohakuten loudly interrupted, pissed off. Karaku suppressed another laugh, mirthful eyes looking down at the brat, but didn’t say anything else.
“Zohakuten, go to your damn room. I’m done having this conversation with you.” Sekido commanded, voice thirty decibels lower, startling the boy out of his anger.
“Do what I say, now. Or you will spend these three days at home cleaning every single spot of this house with a toothbrush.”
“Go to hell.” Zohakuten muttered but ended up obeying his eldest sibling's order, stomping up the stairs to go to his room, as he knew he wasn’t one to make empty threats.
As soon as it was clear Zohakuten was out of earshot, Sekido sighed in relief. He knew things would only get more vulgar with Karaku bothering him like the pest he is.
“I need proof, I wanna see her. C’mon, why don’t you bring her along?” Karaku purred, swinging an arm around his brother’s shoulder with a casual chuckle.
He wanted, no, needed more juicy details from his stoic twin. The same brother who had a major stick up his ass and was basically allergic to anything that could be considered fun. Who, according to Zohakuten, was banging his middle-school teacher. The sky must be falling as they speak.
Sekido shoved him away as soon as he felt his touch, teeth bared once more.
“You’re completely psychotic if you think I’m ever bringing her to this house.” He flatly stated, no longer denying the allegations now that it was only Karaku.
“And I don’t give a flying fuck about your opinion and whether you believe it or not. Matter of fact, just piss off already. ”
“What, you think if I meet her, she’ll want me too? Maybe I can be a nice addition.” Karaku wagged his eyebrows, tongue licking over his teeth, the silver barbell sticking out beneath the fleshy appendage.
“As if she’d ever pay attention to worthless street trash like you.” Sekido sneered hatefully.
“Is she hot? How old is she? Don’t tell me you’re fucking some middle-aged hag, that would be so on brand for you-” Karaku began laughing again.
This time, Sekido didn’t stop himself. He was itching to hit Karaku since he saw his smug face cackling it up, so he elbowed him violently, with enough force to push out the air out of his lungs.
“Oof!” Karaku crumpled quickly, wheezing as Sekido walked past him with a violent push. He almost stumbled but he balanced himself quickly.
“Get out of my way.” The contempt bubbling inside the livid ruby glare, strong and alive, as if Sekido was contemplating at vermin he’d love to eradicate.
Karaku gave one last cough before he recovered.
“Dick. You don’t have to be such a bastard.” His voice was still uncomfortably raspy, annoyed at the unexpected hit.
No response. Then, he noticed the direction in which his brother was going. Not upstairs, but towards the front door.
“Yo, where you going?”
Sekido rolled his eyes, scoffing at his dumbass question. Why did he care?
He shouldn’t have to deal with Karaku’s incessant bugging. He should kick him out of the house, honestly.
Sekido grabbed the keys from the hanging hook beside the entrance, and glanced back at Karaku, unthinkingly.
On a whim, he decided to humor him with a sharp, unbothered retort, red eyes flickering with unspoken challenge.
“Going somewhere quiet so I can fuck my middle-aged hag in peace.”
The condescending remark was followed by Sekido flipping his twin off with a rigid middle finger, and promptly slammed the door.
Karaku blinked multiple times at the sassy response.
A short laugh of surprise followed the dead buzzing silence left behind, a lopsided smile splitting his face.
“Damn.” Karaku whistles, mind whirring around with diabolical ideas that will cause pure trouble. Probably get him punched or worse.
Oh, I have to see who this bitch is. She must be hot as hell.
But screwing with Sekido was his favorite past-time. He was more than happy to cause some chaos in his twin's life. And…he wasn’t going to let Sekido one-up him on that.
As a professional lover boy, he had an never-ending roster of women. Diverse in age, skin color, nationality, body type, occupation, he wasn’t picky. All they needed to be was drop-dead gorgeous.
But not a single one was married or a teacher. Those were sexual fantasies he hadn’t been able to fulfill just yet, which was quite a tragedy. And the asshole bagged one who’s both!
Naw, he wasn’t letting that slide. That was absolutely unacceptable.
Karaku was out the door three minutes later. It wasn’t like he had anything better to do.
I can probably make her my bitch too.
The thought made him giddy.
She’ll leave you for me, and you’ll have no choice but to choke on it.
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