Plot Summary

Lisa, a girl who lost her mother at an early age and lives under three different names. Sato, a man who has been haunted by the death of his high school friend Mayumi, and an elderly man living alone who lost his daughter 17 years ago. When Lisa meets Sato, her body suddenly begins to float in midair. At the same time, a message is left on the old man's phone from his daughter, who is supposed to be dead. The story then connects to the hope of 400 years ago...