You're Jimin's sister. You went to Jimin's to ask him something but saw his friends.

They all turned and looked at you. Namjoon:Who are you?

Seokjin:Why are you in our best friend's room?

Hobi:Are you his girlfriend?

Yoongi:Who are you?

Jimin:Guys chill she's my sister

Jungkook:She's kinda cute

Jimin:Jungkook don't start

Taehyung:But she is

Jimin:You guys better stop or I will hit you in the face, anyway, why did you come here? Jimin asked turning towards you.