Hyoyeon and Doojoon are childhood friends turned lovers. 

They promised each other never to leave each other's side. But when Doojoon decides to go study abroad, Hyoyeon is now alone.

Left with only a promise of him coming back. 

Characters:

Hyoyeon – 22 years old. A very free-spirited and enthusiastic girl. But there are times she couldn’t hold back her loneliness and how she misses Doojoon.

 Doojoon – 22 years old. He is studying abroad. You may think he never cared for Hyo ‘cause he left he left her for 4 years, I mean why would you leave Hyo bb? Anyway, he’s a hardworker and a very very charming guy.

Hyoyeon’s mom – 49 years old. Very much like her daughter. She is supportive of Hyo and Doojoon. A cool mom you would want to have.