One accident has turned into a story  of two 17 years old students,HyunA and Dongwoon. They hide something from everyone....

"I have new classmate... he's a nice guy, same as everyone else... but he knows my secret and i know his...we have common secret..."

Kim HyunA                                                                          

"New school,new people,nothing intresting...one thing makes me happy: I'm very close with her,because we have common secret... "

Son Dongwoon                                                                  

Main Characters:

1) Son Dongwoon

Age: 17

Family: mother, father

Interests: singing,dancing,piano

Band: B2ST

2) Kim HyunA

Age: 17

Family: father, mother, younger sister

Interests: singing,dancing,clubbing

Band: 4minute

3) Lee Gikwang

Age: 20

Family: father, mother

Interests: singing,dancing

Band: B2ST