Synopsis

Ritsu was abandoned by his mother Reiko at a young age. One day, he ends up with a severe head injury after getting involved in a case. He discovers he could die at any time. He decides to try and find his mother and be good to her before his death, but learns she is living a happy life with her pianist son Satoru. Ritsu decides to take revenge on his mother, but then meets Rinka, a girl he had happened to have helped in the past. He discovers she is Satoru’s childhood friend.