My little sister bakugo x black yn

You have a sister

Katsuki POV: me and Kirishima and the boys were having a sleepover at kiri's. We saw a red lambo. We walk in and saw a chocolate girl with hair to her and squatting and cleaning with beats on her head. I could tell she had tattoos." Yoooo n/n what's up." Kiri said the girl instantly got up and they did they're handshake." Oh n/n these are my friends boys this is my twin sister Yn." Kirishima said." Wassup if y'all need the house I could go for the night to Kiyonna's." Yn said." No you good sis we ain't doing shit but playing games." Kirishima said." You sure like I don't mind." She said. Didn't I tell yo Lil ass it was cool." Kirishima said she stuck her middle finger at him and started to walk up stairs I watched her ass move til she was upstairs." Kirishima yo sister is fine asl." I said." Suki wtf." He said." I'm sorry." I said laughing." Right I wonder how his mom looks if that's his sister." Denki said. We started to play 2k about a hour later we heard footsteps coming down. It was Yn who now had red hair." If you wanted to match just say that." Kirishima said." Ethan I advise you stfu because I look better with red." She said." Okay m/n." Kirishima said she rolled her eyes." I'm bored hand me a controller." She said." How  come you don't go to the university Yn." Sero asked."I Do I make suits like a bad ass iron man basically my quirk is similar to a AI robot and yes I'm hella smart." She said. I handed her a controller." Hi."
She said to me." Wassup." I said( I'm having a moment I'm having a moment) " you must be his bestfriend thank you for keeping this big head ass off of me." She said." No problem ma do you even know how to play this it's a Lil violent." I said as they picked out there characters for COD." Nigga I got a ps5 In my room trust me baby I can play this." She said something about her voice you don't understand." I wished y'all stop flirting Damn." Kirishima said."E first of all he cute wtf you expect secondly just be you got caught in 4K fucking Mina don't mean shit." She said." Did you just call that nigga cute." Ejirou said she dropped he controller and ran we all laughed. She ran upstairs." E nooooo I'm sorry."She said. Kiri had her on his shoulders she was hitting him on his back." You stupid nigga put me down." Yn said." Nah." Kiri said the door opened and their mom was shaking her head." Hey rugrats hey boys." Miss Gigi said." Heyyy ms Gigi." We said." Hey mommy." Kiri said." Hey son Yn was are you upset baby." She said." Your big head son always bothering me." Yn said." Kiri leave your sister alone." Ms Gigi said." Ma she was shooting her shot at suki what was I supposed to do let them fuck in front of me." Kiri said as he brushed his waves." Kiri see that's why she don't like yo ass so what she was trying to get a boyfriend you always bothering her and I'm making jerk chicken and macorni that's cool with y'all." Mama g said we nodded. Yn got her controller back but it wasn't no space left on the couch." Can I sit on your lap please." She asked me I nodded I felt eyes on me. I turned my head and kiri was looking at me like this

I wrapped my arms around Yn she stuck her tounge at him." Let's go." Yn yelled as she's shor kiri.  " hey Friday call Kiyonna." Yn yelled." At your service n/m." A robot voice said. As a screen popped up beside of us." Bitch why tf you ain't ahhhhh look at you m/n." The girl across the screen said." This kiri bestfriend katsuki and his squad  Yn tiled her head as the projector was bigger." Wasduo big head." Kiyonna said to kiri stuck his finger up" so what dress since I'm the only one going to this party." Her friend said." Red with clear  heels." Yn said." Imma move a little ok boo." Yn said I nodded. She moved on top of my dicl I was trying not to get hard her friend hung up." Come eat yall." Her mom said Yn got up I rushed to the bathroom Damnit.