Kim Taehyung, he is your mafia rival, you have a younger sister. One day he was kidnapped by Kim Taehyung and he threatened to kill your sister very cruelly if you didn't come to his place. You came to your own place and you entered a large, dark building. When you entered, suddenly the door was locked and you saw all Kim Taehyung's bodyguards who were waiting and Kim Taehyung who was sitting in a chair while torturing your sister. Kim Taehyung : *chuckled, you finally came too~ serve me or die?