Yong hears a stranger's voice from the future, connecting them to each other and sharing their love stories.

Ditto

Yumi's Saturday afternoon schedule is called off when she is just about to leave. She tries to find an alternative, but it doesn't go as she wishes.

WRYD

A song like a miracle falls in front of 20-year-old Joseph who has nothing. One day while they were having a happy time singing 'that song' like fate, a man with everything, even the owner of the song, appears in front of Joseph.