You're Taehyung's little sister. You go the same school and he's well know there because he is handsome and a playboy. He hangs out with the popular guys, one of them is Jungkook.

Jungkook likes you, he thinks you're hot so he flirts with you until one day he got it and you two had sex. You were lying together on your bed after doing It when the door suddenly openen.

Taehyung's expression darkened into a hard look and you had never seen him so angry.

"WHAT THE FUCK JUNGKOOK!!??"