My girlfriend is A serious and dilligent girl (Male Reader X Itsuki Nakano)

I'm here for you

Flashback,

Y/n: why do I have to come along?

Fuutaro: stop complaining just follow them

Y/n: but i- huh? Is that-

You saw one girl with a blonde hair and green eyes

Y/n: Jessica?

Jessica: *saw Y/n* Y/n? Is that him?

Jessica walk toward Y/n and Y/n saw she was walking toward him

Jessica: is that you Y/n?

Y/n: y...yes i... can't believe that i will see you again after 5 years

Fuutaro: who is she?

Jessica: let me introduce myself, my name is Jessica or could i say i am his girlfriend 5 years ago

Jessica: yes! *Look at Itsuki and the other's*

Jessica: who are they? Friend of yours?

Y/n: any problem with it?

Jessica: no...i just can't believe that you a boy who is always alone has many friends

Y/n: oh...yeah*look down* but i have changed now because of them

Jessica: heh, omoshiroi...hey guys, you know about Y/n more? He was always alone, no friend, always dismissed by his friends

Y/n: *Grasping while hold his anger*

Itsuki: stop it now!

Jessica: huh?

Itsuki: i thought you will be happy to see him again...but i was wrong tho. For me You are a troublemaker here and I don't like troublemakers in my area. If i saw one, you what i mean right?

Jessica: who are you? His girlfriend?? You such a weak Y/n...look at you! The woman who protects you! Not you!

Itsuki: girlfriend ha? What if i say yes?

Nino: what?!

Y/n: "that line? That's the line that i say to her last night"

Itsuki: don't you dare show your face at me again

Fuutaro: I won't let people like you get away with it, if you make my childhood friend sad, screw you!

Time skip,

Y/n: well well, look's like you overdoing it...*push the man's hand away*

Jessica: no way his punch was blocked by him?

Y/n: you think I'm the same person as before ha? I'm not that Y/n now...better you get out from my face... Jessica! Borrow you "boyfriend" get out from here!

Jessica: tch! Dyne let's go

Y/n: thanks for that Itsuki...i mean it *rub Itsuki's head*

Itsuki: *turn red* n...no problem

Y/n: but the word that you say... it's sound like you were the leader of a gang of gangsters

Itsuki: hey!

Ichika: you two look like a cute couple

Yotsuba: i want to say the same thing too

Miku: good for you Itsuki

Itsuki: geez~ you three please don't say that

Nino: in your dreams i would not allow Itsuki to be with a man like him