Have you ever crossed dressed as a boy in order to join an all-boy dance group? You're real identity is a girl but your personality is much like a boy's. You met the best dance group in your school and you're willing to do anything to join them to fulfill your wish as the best dancer. But what happens when you start falling heads over heels for a member and they feel the same. Meanwhile a competition is going on between Cube High School & YG High School, you befriend with YGHS's best two dance group, dumbfounded, the leader of YG's best boy group also falls for you. And everyone is falling for the wrong person. How will you deal with this when you're really a girl? Will you be exposed?

You - Name: Park Hae In. A daughter of a rich family. Spoiled naughty, childish, cute, gullible, tomboy, loves dancing, strongly justice. Attends Cube High School.

B2ST/BEAST (all-boy group) - The most popular and best dance group in your school, Cube High School (CHS for short). Consists of 6 good looking members name; Yoon Du Jun (leader), Yang Yo Seop, Lee Gi Kwang, Jang Hyun Seung, Yong Jun Hyung & Son Dong Woon (maknae).

Big Bang (all-boy group) - Rival dance group of B2ST, attends YG High School (YGHS for short). Consists of 5 good looking members name; Kwon Ji Yong aka G-Dragon/GD (leader), Choi Seunghyun aka T.O.P, Dong Youngbae aka Tae Yang, Kang Daesung, Lee Seunghyun aka Seung Ri.

{Minor Groups}

4Minute - The second most popular group in your school, CHS. Consists of 5 pretty members name; Heo Gayoon, Nam Jihyun, Kim Hyunah, Kwon Sohyun & Jeon Jiyoon.

2NE1 - Rival dance group of 4Minute in YGHS. Consists of 4 cute members name; Park Bom, Sandara Park aka Dara, Lee Chaerin aka CL & Gong Minji aka Minzi.