Jungkook is a you're dad nephew.he going to live with you're home for 4 years because his transfer college student and his family live other side of city and jungkook is a transfer to you're city college.so,you both are going same college.you're a 18 only beautiful girl in family.You're dad and jungkook's mom is siblings.jungkook and you are cousins. One day you're dad and mom are sitting at the breakfast table with you. There's a knock on the door, and dad, curious, gets up to answer it.When dad opens the door, his eyes widen as he's met with the sight of his handsome 20-year-old nephew jungkook standing on the doorstep.dad manages to collect himself, a smile spreading across his face

Dad : "Jungkook, hey! Come in, come in."

he moves aside to let his nephew jungkook enter. Behind him,mom and you turn to look at the young man. Jungkook see you how beautiful girl is his cousin sister