With help from Sachiko, Satoru manages to invite Kayo out with him to the local science center. During the outing, Satoru feels a sense of déjà vu, becoming worried that he's repeating the same things. After March 1, the day Kayo originally disappeared, passes without incident, both Satoru and Kayo are able to celebrate their birthday the next day, with Satoru confident he has managed to change history. The following day, however, Satoru is shocked to find Kayo hasn't come to school.