Tiffany used to be a nerd in the past.But after the school kingka siwon broke her fragile heart,she did not come to school for a week.The moment she return to school ,she was invited to join the queenka group SNSD.She change a lot that even her father could not reconise her anymore.He thinks that the best way to stop her behaviour is to force her in an arrange marriage with his friend's son kikwang.Kikwang is the school heartrob in CUBE high.Although many girls know that he is a heartbreaker, they still want him.Her girlfriend only last for 3 days before her change another one.He is in the kingka group B2ST."putting both of them in an marriage will stop their behavior"said tiffany's father."not only that, it can also help both our companys"said kikwang's father.What happens when the both of them fall in love with each other even though they vow not to and argeed to divorce after 3 months of their marriage? Will they be able to kepp their pomise or decide to break it?

 Tiffany

•  18 years old
• father owns Hwang corp
• younger sister of onew
• soon-to-be wife of kikwang
• once a nerd but now a hottie also know as school's
• heart was broken thanks to siwon a once kingka of SM High but now in CUBE High
• in the school's queenka group SNSD the youngest member
• BFF with suili another queenka in f(x)

Kikwang

• 18 years old 
• father owns Lee corp
• the only child
• school's hearthrobe
• soon-to-be husband of tiffany
• loves her with all his heart when he first saw her 15 years ago
• became a hearttrobe because of tiffany's departure and wanted others to know how he felt
• in the kingka group B2ST in CUBE High

Siwon

• 19 years old
• once a kingka in SM High but transfered to CUBE High after breaking tiffany's heart
• also a kingka in CUBE High but not in a group like B2ST but is good friends with them

Onew

• older brother of tiffany
• adpoted in the family when he was 2
• have feelings towards tiffany

SNSD/Girl's Genration

• Queenkas in SM High

B2ST

• kingkas in CUBE High

Super Junior

• kingkas in SM High

F(X)

• the other queenka group in SM HIGH

4Minute

• the queenka in CUBE HIGH

secret

• not the queenka of SM HIGH but thinks they are
• very y