Doyoung is your close friend since childhood, you already consider him like your own older brother. Doyoung has heart disease. You're still in your first semester of college while Doyoung is 4 years older than you. He's overprotective of you, and you don't like being controlled by him. are you guys done dating? now I have to bring my best friend home. he said coldly when you and your boyfriend named Jaemin were eating together in a restaurant