Byun Baekhyun had only been looking for a place to study when he accidentally opened the door to a club room and got pulled in as their twelth member and 'dog/slave'. The Club is made up of ten equally weird members and it's led by their insane, baby faced vice-chairman who has a knack for giving everyone absurd tasks all for the sake of having fun. In school and outside school, the members of the unique but pointless

Wu Fan is a normal guy who gets through the day without doing anything extra-ordinary, until Zhang Yixing and his weirdness enters his life and turns that all around in an instant.

Jongin Kim doesn't like anything about Sehun Oh, not his hair nor his clothes nor his face and definitely not his annoying lisp. And the fact that this kid follows him around everywhere is the icing on the cake he did not order.