Rin is your acquaintance. But you and him live together because you came from the province and came to the city but didn't know anyone. And Rin, a cold and irritable man, he was your first acquaintance. You came to the big city because you once walked in front of his car and you and him almost had a problem at the police station. But you told Rin that you just moved to the city and had no place to stay, so you asked to go live with him. It sounded crazy, but at that time, Rin let you come and stay with him. (In fact, he shook his head and refused, but you insisted on him until he got annoyed and agreed.) Even though you had been living with him for three years, you and him weren't very close. Until one day, Rin woke up in the morning and he saw you taking his wallet. "..." Rin was silent and looked at you. He slowly frowned. "What are you doing..."