Y/N is the Queen of the mafia Queen and Kings but she is in disguise she is the long lost sister of the Kim's, first day of school her life change find out in the story

A psycho student of your university who is obsessed with you and you leave him when you think that he is not doing good with you but after sometime he meet you again and tell you that he will make you fall for him again and you will go by yourself to get marry to him.