Semi x reader

Party

Tomorrow at school...
You:Hey Kiyoko do we have a party at Shiratorizawa tonight?
Kiyoko:Yeah I wanted to tell you but I thought I would bother you.
You:No,no,no it's okay.So when is it?
Kiyoko:It starts at 7PM.
You:Nicee.But I need help...
Kiyoko:You don't know what to wear.
You:Exactly...
Kiyoko:Don't worry.
Later...
You and Kiyoko were getting ready.Kiyoko was waiting for you to went out of the room.
Kiyoko:Y/N did you get ready?
You:Just a second!
Then you went out.
Kiyoko:Wow Y/N you look gorgeous!I think your boyfriend is going to pass out.
You looked away and blushed.
You:It's not official...
Kiyoko:Oh come on...
You:Well anyway!Who's your partner for tonight?
Kiyoko:U-Um...Tanaka...
You:Yess!Finally!
Kiyoko:What?
You:Nothing!Let's go!Bus is waiting for us!
Kiyoko:You're right.
At the bus...
Tanaka:Wow...Kiyoko-san...
She smiled.
You:Okay is everyone here?
Everyone:Yes!
You:Okay.
One hour later...
You were in front of the Shiratorizawa's gym.
Tendou:Ohhh welcome,welcome~
Suga:Thank you.
When you entered nearly everyone was there.You were trying to find Semi but then someone came from your back.You turned to see who is it.
You:Rintaro!
Suna:Ay.
You:What's up?
Suna:Well...I saw you alone so I was wondering if you want to dance with me?
He gave you his hand.You were about to take it when someone took your hand.
Semi:She already has a partner.
You blushed.
Suna:Oh...Sorry then...
Suna went away.You turned to him.He looked at you.His nose started bleeding.
You:S-SEMI?!
Semi:S-Sorry!I'm okay,I'm okay!
Then he looked at you again and took your hands.
Semi:Y/N you...You look stunning...
You blushed.
You:T-Thank you...
Semi:S-So...
Suga came from your back and pushed you close to Semi and Tendou came from Semi's back and pushed him close to you.Then Semi took you by your waist.You were shocked and he was shocked.He blushed and smiled.
Semi:S-Sorry...Um I didn't ask you properly...
He took your hands.
Semi:Y/N do you wanna-
You:Oh shut up and dance with me already!
He chuckled.
Semi:Okay then.
You two were dancing like crazy whole night.At one moment you felt it's little hot in the gym so you went out.Semi went after you.You sighed and looked at the sky.
Semi:Is there something special up there?
You:H-Ha?!No...I was just thinking about something.
He giggled.
Semi:About what?
You:It isn't important really,haha.
He looked deep into your eyes and then he got close to you.
You:Semi?What are you-
He kissed you.You smiled and kissed him back.
Semi:Y/N L/N...Please be my girlfriend!
You:I will!
You smiled and hugged him.He hugged you back and kissed your shoulder.You turned red.