BNHA boys X Reader

I love it all *request* (izuku)

Words:1841
Warnings: yandere, violence
Request for @Kurowolf707

Years. Izuku had been watching her for years. Ever since she stood up to Bakugo in order to protect him, he hasn't let her leave his sight.
-flash back-
"Go away Kacchan! You're being mean!" said (Y/n), no fear in her eyes
"And why should I? You're protecting this quirkless loser! You go away!"
(Y/n) had heard enough and slapped the angry boy across the face.
"I said go away! And don't ever talk to Midoriya or me ever again!"
She helped Izuku up and walked home with him
He immediately became attached. Never leaving her side because he wants to repay her, in his own delusional way.
"Hey (y/n)! Ready to go to school?" He asked, moving closer to her.
"Yep! Hey, I was wondering, do you wanna come home with me after school?"
To her house? He had never been. Even though they have been friends for as long as he can remember, she had never offered to bring him home.
"Sure! I'd love to!" He said, bouncing in his shoes, eager to finally see what she lived like.
School dragged on and on,trying to teach him the importance of bravery and blah blah blah. Izuku had far more important things on his mind. How could he concentrate when the love of his life was sitting right behind him?
He already planned out how his life would be with her. Married early on, a quick start in children. Izuku loves children, and wanted to share the live with them and his wonderful wife.
"Izuku, are you ready?" (Y/n) asked, pulling him out of his thoughts.
"Sure! I'm right behind you!" Izuku beamed, walking alongside of his soon-to-be bride.
"So, if you don't mind me asking, why have I never been to your house before?"
(Y/n) looked away and sighed.
"It's because my brother. I love him with all my heart, I really do, but, he's got this thing...it makes him act... different."
Izuku looked on, puzzled with her words, waiting for her to explain more.
"He's got multiple personality disorder. He experienced some things as a young child, and this was how he coped. You remember the shooting at Kunugigaoka elementary, right?"
Izuku nods his head. If was an awful event, and a few kids even died. They were in first grade.
"My little brother was in that class. He saw his friends die right in front of him. Each of his personalities is a tribute to one of them. But it got out of control. He can't remember who he is! Or even something that happened yesterday, especially not if he didn't experience it in the same personality he's in right now." Her eyes had a thin layer of tears forming around them.
"Is that why you always stood up for me?"
"I guess. I just can't stand bullies, no matter where they come from. (B/n) has been bullied ever since from cruel kids, I couldn't stand to see it happen to you." She finished with a slight smile, masking her sadness.
Izuku formed a smile, but in the inside, he was holding back a demonic kind of rage, one that would make Bakugo shiver in fear.
How dare someone hurt the brother of his girl?
He decided that no one would hurt (y/n) or her brother ever again.
"Do you remember the kids that made fun of him?"
"I'll never forget. It's hard too, anyways, especially when their older brother is in the same class as I am."
"What? Who is it?"
"Denki. His little brother,Tasuku and his friends would pick on (b/n) all the time. I don't even know if Denki is aware..." she said, trailing off again.
The look in her eyes was devastating. She loves her brother, maybe even more than herself, and someone dared to make her sad through him. Izuku heard enough.
He had to kill Denki and his family. No exceptions.
When they arrived at (y/n)'s house, Izuku took his shoes off, and sat down in the couch
The same couch she sits on. This is nice, we can have this in our home one day
They were quietly working in homework, when they heard footsteps come down the stairs.
"Hello! I'm Aubrey! Nice to meet you!" He said, extending his out for Izuku to take
"Hi Aubrey. I'm Izuku Midoriya. I like your shoes!"
"Thanks! They were a gift from my mom!"
(Y/n) looked on at the way he and her brother got along. Izuku didn't pull faces. He didn't look weirdly at her until she told him what to do. Maybe, she thought, just maybe, she sees Izuku as more then a friend.
"Thanks for coming over! Hey, I, uh, have something for you in my room? Wanna come up?"
Trembling with exitiment and could barely move. It was if the wave of feeling he felt were tuning her home into an ocean, swallowing him whole.
"Sure! Sounds good, haha"
The two teens travel up to her room, second door on the right, he would remember.
She opened the door, and moved aside to let Izuku in first.
He walked in, nervously shaking, and walked over to her desk. She sat on her bed, He in her desk chair.
"I wanted to thank you for how you treated my brother. Most people don't know what to say and avoid him like the plague. It's nothing much, really, I just wanted to show my gratitude." (Y/n) said, reaching in her bedside table. She pulled out ring, too big for her, but would most certainly fit Izuku.
"It was my fathers. He said give it to someone special. It's an All Might classic, I hope it fits."
She carefully hands him the exquisitely rare ring, with a smile across her face. A real one, this time. He could tell.
She proposed to me! She HAS to love me if she gave me a limited edition All Might ring!
He tried it on, it fit perfectly. A large grin spread across his face like wildfire.
"I love it, thanks (y/n)-San! Can I call you that?"
"Sure thing!"
"Then call me Izuku."
After that he went home, smiling like an idiot, but an idiot in love.
He had a plan for the next day of school. He had already texted Kaminari.
To: Kaminari Denki
"Hey, can I walk with you to school?"
From:Kaminari Denki
"Sure! Meet me at my house and we can walk there.
He was ready to take the next steps necessary to secure his love for (y/n), and her brother.
-the next morning-
Izuku woke up earlier than usual. Rushing to get ready, he grabs his notebook, binders, knife, gloves, rope, and shoved it all in his backpack. Slipping on the ring, he headed out the door.
"Hey dude! Thanks for reaching out! I would've walked alone today!" Kaminari beemed as soon as he saw Izuku.
What a nice boy. Too bad he has to die.
"Do you mind if I use the bathroom first?"
"Not at all! We're early anyways."
He lets Izuku inside, and shows him to the bathroom.
Prep time.
Sliding into the bathroom, he puts in latex gloves that were in his bag, and goes to find Denki. Carefully concealing the knife in his back pocket.
"Hey man! Ready to go?" Kaminari asks
"Yeah, lead the way."
As soon as Kaminari turns his back, Izuku grabs his head and sliced his throat. He puts his knife to the right of Denki, and erases the messages he sent him.
Going upstairs to where his brother was sleeping, he grabs a pillow tossed on the floor.
Simple, less mess this way
He smothers Tasuku with the pillow, leaving no sign he was there.
Looking over at the coffee pot, he decided to take the rat poison from underneath the sink, and into pot.
That should take care of them
He walked out of the back door, and ran the rest of the way to school, making it just before the bell rings.
"Good timing huh?" (Y/n) says from behind him, making him jump.
"Uh, Yeah. You too?"
"My brother was having a rough morning, so I stayed with him until he calmed down. Hey, you're wearing the ring! I'm glad you like it."
Izuku felt as if he was in cloud nine, her voice along was enough to soothe him.
"You had me over yesterday, so let me host today! We can walk home, and your brother can come with us!"
"Really? That's so sweet, thanks! (B/n) will be so happy! He doesn't go out much..."
Izuku took her hand and lead her to their seats. Ignoring the rest of the day, just planning what their time together will be like.
After school they walked to (y/n)'s house to collect her brother.
"What's up, I'm Terasika, how are ya?" (B/n) said as he opened the door for them.
"Hey I'm good, my names Izuku Midoriya, and (y/n) and I wanted to take you to my place to hang out."
"Sounds good! Let's go."
(Y/n) stared in awe at how well Izuku could interact with her brother. This only made her want to be with him more.
"Here we are! Let's go to my basement, it's the only place where my mom won't bother us. This way!" He knew if he flashed that signature smile, they couldn't say no.
He was right, the smile and nodded.
As soon as they walked down, he locked the door.
"Um, Izuku, why did you lock the door?"
(Y/n) asks.
He just laughs in her face, pulling out the knife from earlier.
"Don't be ridiculous, (y/n)! I'm keeping you safe! Besides, you want run away from your fiancé, would you?"
"Fiancé?! That's insane we're only kids!"
"But you proposed! I was gonna do it when I got possession of you, but you beat me too it! Isn't that sweet, love?" He explains, making 'love' longer than is should be.
He steps closer, reaching out to (b/n)
"No! Don't do anything to him!"
Izuku realized If he hurt her brother, she'd never love him.
"Okay.' He said, thinking his options over, 'if I let him you, you have to stay. He can tell the police if he wants!"
"You know that he won't remember that!"
"You're right. But it's a small price to pay, for your brothers salvation, especially. And besides, how bad could I be?"
An almost evil smirk appears on his face.
"Just please don't hurt him..."
With hearing that Izuku takes (b/n) away before (y/n) could hug him goodbye.
Tying (y/n) to the bedpost, he takes (b/n) to a broom closet upstairs. He can't let him leave until his personality changes, or he will tell everyone.
He went back down to (y/n), holding a wedding ring and a veil.
"Are you ready, my beautiful bride?"