Music makes the world go round. It communicates all sorts of emotions: joy, sorrow, anger, giddyness, love. Songs of all types relate to everyday life, especially in romance.

Jonghyun is a pretty mellow guy. A music major, he lives in a small apartment with his boyfriend, the one and only Kim Kibum.  Key--as he likes to be called--is a self-proclaimed class one diva. His flamboyant personality, as the exact opposite of Jonghyun's calmer, more reserved personality, makes Jonghyun's life a lot more interesting.