Semi x reader

Nana's dad

He chuckled and kissed your neck.
Semi:Your skin is so soft...
You smiled.
You:Your is too.
He kissed your nose.You two were cuddling (or something more...)
You:You know we shouldn't be doing this right now.You can get fever too.
Semi:I don't care.
He kissed you.
Semi:I love you love very very very very much!
He kissed you again.
You:I love you moreee~~~
Semi:Noooo!
You:Yesssss!
Semi:No!
You:Yes!I love you the most!
You kissed him.
Few minutes later...
You fell asleep.
Semi's mind:God...Why is she so cute.My love😭.
He kissed your forehead.Then you placed your head on his arm.
Semi's mind:Ugh...She's still hot.
Then your phone rang.Semi looked at it.It was Nana's dad.You flitched and woke up.
You:W-Who is it?
Semi:Nana's dad.
You:Give me that.
You picked up.
You:Yes?
Nana's dad:Oh hi Y/N.
You:Hello Mr.Okimura.
Nana's dad:I just wanted to tell you that Aki wants to go home.
You:Oh...Don't worry I'll send my-U-Uh I mean Eita to pick him up.
Nana's dad:Why can't you come?
You:Uh...It turnes out I have a fever.
Nana's dad:Oh okay then.Bye.
You:Bye.
You ended the call.
Semi:And how do you have Nana's father number?
You:Well when Aki and Nana got close they wanted to go see each other like this so he gave me his number.He's like the dad I never had...And why are you so jealous???
He blushed and looked away.
Semi:I-I'm not!
You:Mhm...
You kissed him at the cheek.He lovely giggled.
Semi:I'm gonna pick Aki up now.See ya in few minutes love!
You:Haha!See you!
At Nana's house...
Nana:Aki-chan promise me you'll marry me one day!
Aki:Pinky promise!
Nana's dad:WHATTT?!B-But Nana sweetie you promised your dad you'll marry him when you get older!
Nana:Sorry papa.
Then Semi knocked at the door.Nana's dad opened it.
Semi:Good evening Mr.Okimura.
Nana's dad:Hello Eita.
Then Aki turned around and saw Semi standing in front of the door.
Aki:Big bro Eitaaa!
Nana:Bro Eitaaaa!
They hugged him.
Semi:Hey kiddos!Aki are you ready to go home?
He nodded.Aki took his jacket.Semi was about to go away when Nana's dad stopped him.
Nana's dad:Listen boy...Better not break N/N's heart because she's like a daughter I have never had...You hear me?
Semi:Y-Yes sir!
Nana's dad smiled.
Nana's dad:And protect her no matter what,okay?
Semi smiled too.
Semi:Of course.Thank you Mr.Okimura.Goodbye.
Aki:Goodbye Nana and father in law!
Nana:Byeeee Akii-chan!
Nana's dad:That little-