Kim Soyeon

A lovely girl but is somehow cold to people she is unfamiliar with. Has insomnia every night so is very tired when the sun rises. She works night shifts at the café and lives alone in an apartment that used to share with her ex boyfriend. 

Park Jimin

The New boy in town wanted to be friends with Soyeon after their first meeting. He moved to live with his brother, Minhyuk. His good looks attracts many and he likes to wait for Soyeon everyday.