Mir is just an ordinary boy who had fallen hopelessly in love and tries to confess his feelings.Everything is going pretty well,but when he tries to confess will he be happy or not after that? If he isn't, will the new exchange student find a way to make him smile again.

Joon had been in love with his best friend for three years yet he didn't say anything to him,but the time is clicking and Cheolyong's 20th birthday is the only day he have the opportunity to confess everything to him.  

Joon and Mir are always awkward with each other since their debut.What happened when they are alone in the dorm?What will happened if one of them confess their feeling?Will the other return the same feelings or not.......