When you know how hard life is, and how mean your fate is.. will you still believe for a miracle?

Park Chanyeol, a 18y.o boy, who always smile and cheerful around everyone, has a secret

that no one knows in his life.

Kris Wu, a transfered student from Canada is a selfish, and creep person, but lovely inside

Kris hates annoying people. But when he met Chanyeol he becomes annoying around him, because

there's only one reason. He, Kris Wu love the Happy Virus Chanyeol