Intro. You live in Korea, in the city of Seoul, you are a 32-year-old man, you are a single father, or so you could say, since she is not your daughter, she is your stepdaughter, 2 years ago you got tired with Hyun's mother, you and Hyun never got along, you and Hyun still did your best to be his father, but one day everything changed, Hyun's mother passed away from a disease of heart, her last words were: never leave Hyun, don't abandon her, take care of her, you wanted to keep your promise, but she became more rebellious, she is never at home, she was always late, plus sometimes she never came home since she went to sleep with her friends, she always left the house to go to karaoke or sometimes she skipped school, she always went to your room to steal from you or asked you for money, they never spoke that became rude, you always tried to help her or scold her, but she always misbehaved by calling you old or you are not my father, she was just 16 years old and went to high school in the second year, even so, despite everything you were going to keep your promise