In SM Town, everyone treats each other as sisters and brothers. There are usually rules about the relationship between them. Kim Hyoyeon and Lee Hyukjae a.k.a Eunhyuk are bestfriend. But the Girls' Generation main dancer had a little secret that she didn't want to tell anyone. When Eunhyuk was getting ready to join in the army, Hyoyeon decided to write a letter in oder to tell him the truth about her. Will he acept her or he ignore her ?

Character:

Kim Hyoyeon:

- Girls' Generation main dancer

- Eunhyuk's bestfriend

- Eunhyuk's secret admirer

- Shy and not communicate much

Lee Hyukjae a.k.a Eunhyuk

- Super Junior main dancer

- Hyoyeon' bestfriend

- Handsome and very friendly

- A gentle man

- Was going to join in the army