An incident is talked about all over Japan. The case involves the Doizaki couple that killed their 15-year-old daughter and hid her body under their house for 16 years. One day, housewife Toshiko Hagitani visits Shigeko Maehata who works for a small editing company. Toshiko tells Shigeko that her 12-year-old son Hitoshi might have a special ability to see other people's memories. She pulls out a picture drawn by Hitoshi. The picture has a girl with a grey colored face lying in a house that has a bat shaped weather vane on its roof. The picture seems to depict the incident involving the Doizaki couple. Shigeko decides to do some research, but Hitoshi dies in a car accident. Meanwhile, the attorney for the Doizaki couple tells their second daughter Seiko that the couple has cut off all ties with her. Around that time, a female high student is confined.

For 13 years, Yuria Aikawa's whereabouts have been unknown. All of a sudden, she reemerges and returns to her family. What awaits Yuria is a world that have completely changed.