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.