_before 4 months Jungkook girlfriend died because of car accident and the car was yn car and she was driving, jungkook thinks yn murdered his girlfriend jisoo, and jungkook wants revenge for his girlfriend murder_ __“Jungkook is a lawyer, he is cold, rude but sweet and caring with his girlfriend and grandmother, hus parents died in car accident, he has only his grandmother and jisoo his girlfriend”__