In the middle of the hustle on the night before final exams, a handsome medical student leaves you a sweet note that leaves you wondering who he is and wishing you see him again.

Joonyoung, the popular delinquent who leads the school band, and Roy, the student president and the smartest kid in the entire year, get paired up for a school project. The two find out that they're more alike than they think...and find themselves in a complicated situation which they never imagined to be possible.    

Part I: My Child Ten months after Jung Joonyoung moves back to Korea without his parents, he wakes up to find five-year-old Roy Kim and his fat dog Sangcho at his doorstep. With no one else to take care of Roy, Joonyoung must take respons

Three songs from three different artists turned into stories about Roy Kim and Jung Joonyoung.      

eunmi (you) is a cute and bubbly girl, junhyung and doojoon is her best friends she have a over protective brother Roy Kim. Roy never let eunmi be friends with another boy except junhyung and doojoon. But what happen if eunmi fall in love with a boy? can you guess who is he?                                                                          ~~~~~~~~~~~~~~~~~~~~~~~~~   "who say that i like you? tsk"                              

Jung Joonyoung and Roy Kim had been became friend for one year, however Joonyoung felt that Roy should've trust his friend to share his problem.

Rather a story, this is more like a imaginary about how everything will started, although, everything will still remained as untouched mystery.

Roy is scared, comforted by Junyoung.

Roy and Joonyoung have completely stopped talking to each other. What will it take to bring their friendship back?