Satoru Fujinuma is a struggling manga artist who works at a pizza parlor. Ever since he was a kid, he has been holding himself responsible for a kidnapping incident. Finally, the time has come for the truth from his past to be revealed…

After being "missing" for three days, Kayo returns home. Her mother, Akemi, sees Satoru and Sachiko standing a few paces behind... Will Kayo be safe at last?