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Deadly Nightshade

Summary:

"deadly nightshade is a highly poisonous plant. its black, shiny berries may be tempting but they are also fatal."

Choi Soobin is in love with his life. The omega who belongs to a tradicional, powerful and rich pack, is graduating school with honors in a few months, has a perfect innocent flower boy image - which he treasures - a sweet hard working alpha boyfriend that treats him in the best way possible and all material things he could wish for.

But, truth be told, Choi Soobin is a liar, and none of the things listed above are enough to keep him satisfied. With a pretty face that hides ugly secrets, the omega keeps his reputation impeccable while maintaining his true hobby alive: manipulating people as if they were pieces on his chess board.

The omega has build a perfect facade - a stable sand castle. But facades are bound to be ruined and sand castles to succumb under pressure. Just like secrets are meant to be discovered and masks to be taken off...

Notes:

Hi, welcome to Deadly Nightshade!

This story contains heavy topics and it's placed on abo universe.

Please read the tags and warnings down bellow before diving in:

⚠️ This story is settled in the ABO universe, so it contains Alpha/Beta/Omega dynamics as well as it usual contents, including Pack Hierarchy, Courting, Mpreg, Mating Cycles, etc.

⚠️ It contains EXPLICIT SEXUAL CONTENT, so if that makes you uncomfortable please do not force yourself to read something you won't like and that will make you feel bad.

⚠️ My characters aren't perfect, they are very far from it actually. They lean towards problematic, to be honest, but that doesn't mean I condone their behavior.

⚠️ This is a FICTIONAL STORY, I am only borrowing familiar faces and names that I feel comfortable with to fit my fictional characters.

⚠️ Male omegas have vaginas in this setting.

⚠️ The story also contains cheating, manipulation, PTSD (Post Traumatic Stress Disorder), dissociation and a few d/s undertones.

⚠️ Attention to heavy topics that may be triggering in future chapters.

⚠️ I will put additional warnings when it's needed according to the content of each chapter.

⚠️ Comments and kudos are welcome, I am always open to discussion, so if you notice something that you wish I would have tagged or warned, please write to me.

⚠️ English is not my first language, so this may contain grammar mistakes from time to time, sorry.

Now that you have been warned, enjoy your reading!

Chapter 1: One

Notes:

(See the end of the chapter for notes.)

Chapter Text

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Choi Soobin loves a lot of things about his life. He loves wearing pretty and expensive clothes, being part of the most influential and powerful pack of the country, loves his flowery scent and how it makes alphas gravitate towards him, adores being doted on by his pack mates and oblivious dedicated mate to be, also boyfriend.

Being the top student of his school, the eighteen years old omega loves his popularity, not only there, but in the whole town, known as a role model to many students and citizens for being well spoken and such a good, smart, caring, well mannered omega. He just absolutely adores his status, how the fact that he is an omega gets him treated like a fragile porcelain prince by everyone, like a precious gem, something to be taken care of and treasured because of it.

However, there is definitely one thing that Soobin truly enjoys the most, and that is getting everything that he wants, when he wants it, the way that he wants it. And the omega doesn't mind at all whatever kind of method he has to use to make things happen, that's the way he learned how to deal with things. Beside, he was pretty good at it. Knowing that, what he wants right now is just entering his fancy classroom, wearing a very nice suit, and that goddamn disgusting golden marriage ring that the younger despises. It reminds him of her.

Truth be told, Soobin is also a control freak. The omega views his life like a perfect structured jenga tower, that he, from time to time, needs to readjust some of the pieces without making it unstable. Mr. Kim, his tall, handsome, older, alpha teacher, happens to be one of those pieces, and he is one that needs readjustment now. It isn't the man's fault, per se. He was just means to an end really.

The omega's crush on the older is not entirely a real one, but Soobin doesn't care much about what is or isn't real in his life anymore, he just needs to keep everything in place and it will be enough to at least maintain his mind focused and sane, while he goes after his goals. However, the urge he feels towards the Alpha, real or not, keeps on getting worse as day by day goes by, fueled by something bigger than his own desire or attraction, his need for the man, his next conquest, is driving the younger mad.

He may be a little bit off the walls, but Soobin is not dumb, he has the power to move his piece already. He sees the way the teacher's eyes linger on his skin more than it does on others, how his nostrils open a bit wider when Soobin is near him, taking in his scent, contentment clear on his own. The omega just needs the right time, place and stimulus for the Alpha to act on his desires. He knows he will, Mr. Kim isn't a very moralistic person from what Soobin can see.

Honestly, the omega enjoys how his targets seem to think that he is some kind of precious gem, a shy blushing mess, a virgin, an angel ready to be corrupted when in fact he isn't anything on that list, not completely at least, but that doesn't really matter - because he sure loves pretending to be, and they love falling for the act. So what is the problem? He knows how much they get off thinking that they have control over him. Everyone in his life does.

Soobin sits through Mr. Kim's class, takes his notes and talks a little with Beomgyu, one of his classmates, from time to time. He also checks his boyfriend messages, but only answers that he can't talk at the moment due to his class. When class is finally over, he waits until every other student is out of the classroom, pretends he is organizing a few notes on his table, preparing himself for the act.

Images of a silver mask and sharp eyes followed by a navy blue one crosses his mind. Her face and her voice visit him as a gentle reminder of why he is doing it.

Then, he feels his cell phone vibrating inside his backpocket and for a moment, Soobin feels a little sick for what he is about to do. He knows it's Yeonjun who is messaging him again, that is his mate to be, his oblivious totally blinded by love and guilt boyfriend. The omega lets himself drown in his thoughts for a while, a pang of guilt almost hitting his chest, but he is soon brought back to reality when he hears Mr. Kim approaching his desk.

"Everything alright Mr. Choi? You seem a little distressed."

Soobin takes a deep breath, focusing.

Game on.

He slowly looks up to his teacher, biting his lower lip before answering the man.

"Just a bit confused with a few matters, but thank you for caring Mr. Kim.' The omega uses the sweetest innocent tone of voice possible to appeal for the alpha, it works.

The teacher looks around the empty classroom, spotting the closed door, his scent answers all of Soobin's doubts about his course of actions. The doubt and conflict can be seen all over the professor's face as he takes two steps closer to the omega. Soobin can see the darkness in him though, escaping through the cracks in his facade.

"Can I help you with that, Omega Choi?" Mr. Kim's voice sounds much deeper than before and Soobin feels all fuzzy inside, it's working.

Of course it is.

Soobin looks up to his teacher, faking shock and surprise with his expression. He lets his jaw fall, forming a pretty 'O' with his lips for the Alpha to stare at, while he pretends to have an internal debate on what to say next. He makes sure to take a while to talk again.

"I d-don't know if- If you should..." He tries hiding his face, but Mr. Kim kneels down on the floor, face leveled with Soobin's as he takes hold of the younger's chin gently, trying to make eye contact, their scents already mingling because of the proximity. That was the worst.

"Why not?" The Alpha sounds so gentle... Soobin wants to throw up. As if he actually cares. Asshole.

The student stands up, trying to move away from the man, but the older follows him right to the teacher's desk.

"I-I shouldn't tell you these things... To be honest, I shouldn't even be feeling them, Alpha. This is wrong."

Soobin stands right in front of the desk now. The omega's scent is the sweetest thing when he says that, his voice so trembling and full of fake innocence, he knows that's it, he even used the magic word, Alpha's are so weak.

Soobin waits for it.

Mr. Kim corners the omega against his desk, their bodies finally touching, yes yes yes.

"And what is it that you are feeling, Omega?" The Alpha's hands are now holding Soobin by the waist, keeping him in place, the younger can smell the arousal and frustration on him.

"We can't, I can't tell you. This isn't right."

"Just say it, honey, it will be okay..." The hold on his waist gets stronger, and so does the Alpha's scent. Soobin wants to laugh.

It's just so easy.

"Promise?"

"Yes, I promise, open up to me."

"Well, it's just…" He bites his lower lip, pausing, "I am feeling things, because of you Mr. Kim. Your scent and your presence." Soobin finally lets their eyes meet, letting angst, longing and innocence pour through his orbes. "And I h-have never felt this way for an Alpha before, not even for my courtship partner..." He lets a single tear slide down his face. "I am so confused, I don't know what is happening to me." He cries a little harder.

Mr. Kim hugs him, hands going up and down Soobin's back in what was supposed to be a comforting act. A fake one, he knows it.

"Shhh, please don't cry, pretty." The older man presses their foreheads together. "It's okay, we will figure things out. I don't mind helping you, what you feel is natural. It isn't wrong."

Checkmate.

Soobin stomach twist and turns. He baddly wants to laugh, and there is nothing humorous about it. But he needs to focus, his time is ticking - almost over.

"Will we?"

"Yes, of course honey."

"I shouldn't say this, but I really want to be with you. I feel insane around you, Mr. Kim. I've never felt... this way before." Soobin hides his face in between his hands "This is crazy. Isn't this wrong? We shouldn't indulge ourselves, right?" He asks, making sure to sound the right amount of uncertain.

"No, it's alright, really. We can't control how we feel. You know Soobin… You also have been driving me crazy lately. You can't even imagine how relieved I am that you feel the same." The man says, Soobin can feel him even closer than before.

He lets out a whine. Looking up, he pretends to be shocked by the information. Soobin lets his hands fall to the side and smiles at Mr. Kim, staring directly at the teacher's eyes, finally welcoming desire into his veins.

"Can you… Can we...?" Soobin bites his lower lip, hopes that the teacher understands the meaning of the act. And of course he does. The bastard is desperate to get laid, to try out something new and wrong. The omega knows, can fucking smell it on him.

Desperate.

Soon, he feels the teacher's lips touching his and what starts with a gentle kiss, quickly escalates to a needy and desperate one. Soobin moans and whines into the kiss trying to keep up with the greedy Alpha. He can smell and now, even feel, how truly aroused Mr. Kim is, the outline of his cock pressing right against his abdomen, hardening with each passing second.

As things progress, tongues moving with more intensity, hands traveling through their bodies, scents spiking with want, Soobin takes his chance, he parts away from the kiss before staring at the teacher and opening his mouth.

"Alpha… I feel so- can you help me?" The younger humps his professor's leg, showing him exactly what he meant. "Please?" The alpha looks conflicted for a split second, looking towards the closed door and then back to Soobin.

"Fuck, we shouldn't. The cleaner will be here at any moment," He says, but it doesn't take more than a pleading look on the omega's eyes for him to succumb to his charms. "Alright baby, we need to hurry up then. Can you turn around for Alpha?" Soobin complies, soon he feels his pants being undone, followed by his underwear.

Now that he is half naked, the omega suddenly feels uncomfortable, like always does in situations like this. Intrusive thoughts trying to make their way through his head, but he ignores them - trying to focus. Soobin closes his eyes, now was not the time to dwell on his personal nightmares.

Focus, focus. Remember why you are doing it.

"I am being so reckless right now, god… You are too much, Mr. Choi."

Dumb Alpha. One, two, three. Soobin counts.

You are okay, keep going.

Soobin opens his eyes, ready.

"Please, I need it." The omega goes back into his acting and pleads in a whiny voice he hates.

"Bend over for Alpha, baby"

He bends over the desk. Shifts his hips when he feels a finger caressing him down there, softly. He grabs at the table for support when the finger starts shoving it’s way in and out of his entrance, gently, as if it was testing the waters. He doesn't want this to be gentle, that's not what he is looking for. Soobin moans, shifting the angle of his hips to offer Mr. Kim a better angle. He hears the teacher letting out a groan behind him, two fingers fucking him now at a good, steady pace. It doesn't last long, though.

“Fuck,” Mr. Kim growls loudly. "Turn around, I want to watch you." The older asks.

Soobin does as he is told. He sits on the table, facing the teacher with a shy look on his face. He opens his legs to give him free access, delighting himself in the way the other's eyes darken. The older man starts thrusting his fingers again, teasing the omega's clit with his thumb. Soobin moans quietly, reaching down so he can hold his trembling thighs with for support. He pulls his legs to the sides, opening himself up further for the teacher. The pressure on his clit drives him insane. It's good to feel something other than anger and fear.

“Yeah, that’s it, baby. Spread yourself for me.”

Soobin tries to hide his face on the teacher's neck, but the man doesn't let him, manhandling the omega so he is laid back on the table, pretty face all red, blushy, flushed with sweat.

"I want to watch you, please don't hide."

The younger gasps and moans as the fingers speed up, feels his body shaking, thighs trembling as he reinforces his grip on them, finally. He is finally losing himself to pleasure. Mind going numb over the fingers pace.

The thrusts speed up, everything becomes more and more intense, his mind is blanking, Soobin covers his mouth with one hand to prevent his moans from sounding too high. He feels a large hand gripping his waist, and when things slow down for a moment, he whines about it.

"No, no, no." He groans, "Want more."

Mr. Kim takes hold of Soobin's knees, bringing them to his shoulders, so the omega is all spread open for him, he holds the small waist with one hand and goes all in for it.

The student keeps whining due to the loss of touch, until he feels it, a warm tongue touching his clit. He lets out another gasp and the oxygen gets stuck on his throat for a moment, leaving him breathless as the Alpha rubs at Soobin's clit. The direct stimulation against the hardened nub too intense, he moans as his body shakes suddenly when a blue haired Alpha comes into his mind, Soobin welcomes the thought, so overwhelmed with the pleasure he was receiving.

Yeonjun.

“You like it, baby?” Mr. Kim asks, noticing the dumb fucked out look on the omega's face.

“Y-yes,” Soobin nods, “l-like it so much.” He answers, images of his boyfriend still running through his head.

The older keeps on thrusting his fingers, sucking and licking the omega's cunt, speeding everything up. Soobin feels the familiar burning sensation in the pit of his stomach. He is leaking so much slick, entrance clenching around the fingers, legs shaking and body spasming. He can feel his orgasm coming at the tip of his fingers.

Yeonjun, yeonjun, yeonjun.

"That's it, baby. Come for Alpha."

With the blue haired boy in mind, the pressure on his clit, long fingers inside him speeding up, and his hunger for payback - Soobin comes. His body spasms for a few seconds, a series of ah, ah's and oh, oh's escaping through his red bitten lips.

Mr. Kim keeps thrusting the fingers in and out, fucking him though the orgasm high. That was good. He is still catching his breath, guilt and satisfaction creeping in at the same time, when he sees panic finally dawning on his teacher's face.

"Fuck, fuck, fuck. We reek of each other now." The teacher stands up from the floor, where he was kneeling in between Soobin's legs. "Can you get dressed, Mr. Choi? I will get scent softeners and a air freshener for the classroom."

The omega nods, omitting a smile. The teacher walks to his drawer and starts searching.

Game over. Fuck you, Mrs. Kim.

Soobin goes back to his desk, cleans himself with a few wet tissues that he keeps in his backpack. He tidies himself up, spraying his own scent softener already to fasten the whole process. Mr. Kim takes care of the classroom, opening all windows and spraying it with the air freshener.

"Oh, you took care of yourself, Soobin?" He asks when he notices how tidy the omega already was. "I am sorry, honey. I didn't even ask if you are ok, I just panicked..." The teacher holds Soobin's hand, giving it a small gentle kiss. Soobin figures that was supposed to comfort him, it makes him feel disgusted instead.

"I am alright now, you made me feel so good, Alpha." He still manages to say, blushing a bit. He watches pride and satisfaction pour through his teacher's eyes. "Since we took too long here, can you take me to the infirmary, Mr. Kim? You can tell them that I had a panic attack and you helped me." Soobin proposes, his condition came in hand sometimes.

"That's a smart idea," The teacher smiles, scent barely there now due to all the sprays they used. "Let me carry your material for you, let's go."

Things work out as he plans, Mr. Kim leaves him at the infirmary and informs the school about what happened at the classroom - the pretty and not true version that Soobin came up with. The beta nurse helps Soobin shower to take away possible anxiety scents that the softner may be hiding.

When the omega is finally done, he checks his phone.

Oh no.

He opens his boyfriend's messages.

Yeonjun

Soobin? What happened? I have been waiting for you for 20 minutes already.
Have you forgotten about our lunch?

Are you ok, darling?

Your school won't let me in, please answer.

I am calling your mom, I hope you are ok.

Oh no, the fucking guilt feeling wants to creep into his chest so bad right now. However, the omega ignores it with all his might and presses the call button. Yeonjun answers fast, like he always does.

"Hyung?"

"Soobin, thank god. What happened? I was so worried about you."

"Well…"

"Well…?"

"I am fine now, please don't worry..." He speaks in a lower, soft voice, "But something happened, I would prefer telling you face to face," He softens his voice even more. "Can you pick me up, hyung? I need you right now, I will inform the secretary that you are here so you can come to the infirmary, alright?"

"Infirmary? What- Bin… Ok, alright I am coming right now, don't worry, darling."

He hangs up and asks the nurse to inform the secretary about Yeonjun. They have information about him on Soobin's folder, he is his mate to be after all. His handsome, hardworking and oblivious boyfriend... Yeonjun is the perfect Alpha really, Soobin couldn't ask for more. Or so would others say. But sadly, he hadn't been able to dedicate himself to his Alpha recently. Soobin has work he needs to do, a game that he needs to win, and that's his main priority. He can be fateful to Yeonjun in the future, they aren't even that much of a real courtship couple on the omega's eyes anyway.

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Soobin waits for a little. He plays with his fingers in a failed attempt to keep his intrusive thoughts away. His mind keeps speeding up, thinking about a hundred different things at the same time. There are memories fighting their way in, guilt, sadness and fear pressuring to be heard, and pain claiming to be aknowledged. But it's ok, he manages to push them all away in the end. Soobin locks them inside a safe box on his mind. Because soon, he smells his boyfriend coming closer, and he needs to put on a pretty act for him.

Soobin smiles.

"Hi, excuse me. I am here to pick up Choi Soobin, I am Choi Yeonjun."

Game on.

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Notes:

Thank you for reading, feel free to leave your thoughts in the comments <3