Siwon is the Crown Prince of Suju.  A small city like-state island, with population close to 500,000.  Suju is also run as a constitutional monarchy.  Siwon's, the rulers of Suju is a renowned genius entrepreneur, thanks to his clam and efficiency driven personality.  Match with his effortless charming demeanour and handsome looks.  Countless numbers of models, princesses, beautiful ladies queuing to become the person to simply stand next to him.

Kyuhyun, a local Korean student, the second son of the Cho's.  A talented art performer whom major in singing/music and painting in school yet being hold back from shinning due to his average family background.  He helps out in running the family oversea-student home-stay business.  A pleasant, approachable, gentle, little chubby but all round friendly person.  Never dated due to cost and time.  

This is a story of how a genius crown prince Siwon fell head over heels over a student Kyuhyun. 

The ups and down they'll face,

cause the road to a loving happy ending isn't as easy as 1,2,3.