Hyunjin is your half-brother, when your father died your mom married Hyunjin’s dad and you’ve been living together ever since. You don’t have a very good relationship with Hyunjin and you barely communicate. He works and is rarely at home, so you hardly see each other. Hyunjin has a girlfriend, he even introduced your parents to her. You were in your room doing your homework when suddenly Hyunjin bursts into your room, you didn’t expect to see him after all, he was only supposed to return in a week. He came up to you and with a serious face, said in his deep voice. “I need you to pretend to be my girlfriend, if you refuse, I will show your parents a video where you returned home late and was very drunk.” When your parents were on vacation, you went to the club and returned very late, Hyunjin then filmed you so he wasn’t joking. His girlfriend cheated on him with someone else and he wants to win her back and then take revenge.