This story is about Choi Sulli who is attends an all-boys high school and she must disguise herself as a boy to enter. She tranferred to the school because she have to pretend to be her twin brother who is now coma in hospital because of involved in an accident. She know how much her twin brother want to be a student at that school so she volunteer herself to attend the school before her twin brother will kick out from that school but without her knowing... Her roommate is also a girl like her. The girl who is also pretend to be a boy.

Characters

Choi Jinri @ Choi Sulli

Clumsy girl , hyperactive , happy go lucky

Amber J Liu

She is cool, always protect Sulli, Sometimes she forget about her real gender.

Choi Minho 

Secretly become 'gay' towards Sulli

Kris Wu 

Always think that he is gay because he love Amber.

The rest of EXO

Luhan | Chanyeol | Sehun | Xiumin | D.O | Baekhyun | Suho | Lay | Tao | Chen | Kai

The rest of F(X)

Krystal | Luna | Victoria

The rest of SHINEE

Onew | Taemin | Jonghyun | Key