After dying from betrayal, a selfless woman travels back ten years to seek revenge. Her plans derail when she meets a mysterious executive who makes her question her vengeful path.

Every week at 5 p.m. an old man in a yellow mask shows up at a children's playground and tells them ghost stories based on myths and urban legends of Japanese origin. The man tells the stories on the back of his bicycle using a traditional kamishibai (Paper Drama) method and features a new tale each week.