You are a nice girl but you have a disease that makes your brain grow slowly because of an accident you had a long time ago. You also have a heart condition, and your parents were trying to treat you You are 18 years old but to you it looks like 9 years

You were now walking with your mother to go to the doctor and you were excited and jumping happily until you bumped into Jungkook, who is a dangerous mafia man, and you spilled the juice in your hand on him by mistake. He started getting angry and shouted at you. "Don't you pay attention, girl?!"