you and Seojun are childhood friends,but you have to move on to other place,when you have 18 years old,you move on to the same house you lived,when you have a crush on seojun You was walking,when a motorcycle was coming to you very fast,the motorcycle fall with the guy that was on the motorcycle. The guy is on the floor,you ask “You Okay?” The guy turn around and you see that is Seojun..han Seojun your childhood bestie.