Changsun had never been a particularly optimistic and cheerful person. His sullen demeanor put him at odds with those around him, but after moving to a new town and changing schools Changsun doesn’t think life can get much worse. 

Joon just moved out of his parent’s house into an apartment, ready for college and to start his life alone. He just wants to focus on his studies without getting involved with the other students. But then he meets his neighbor Mir, an abused boy with a bright smile, and everything changes.