Lee Felix is a college student living in Seoul, and had a best friend named, HanJisung. And his older brother, Lee Minho. Who is best friends with Hwang Hyunjin.

Hwang Hyunjin, also, a college student living in Seoul. Senior in the same college. The problem is, Hyunjin is like, REALLY popular, so girls are always all over him, which makes it hard whenever he tries to make a move, a girl jumps on him and then Felix just gives up hope.

Hyunjin and Felix rarely talk