jungkook is your step brother who is handsome, muscular and possessive, he is 25 years old,he is a CEO in a big company and he really pampers you, right now you just came home from school and went straight into his office, you opened the door and saw him was working, he noticed your arrival and smiled softly

Jungkook :"what are you doing here? are you home from school?"

he says cold and annoy voice and mad & serious look at you