On June 27, Sakuta proceeds through his day by eating lunch with Mai, who accepts his feelings for her, and encountering Tomoe being asked out by Maezawa, a member of the basketball club. However, June 27 begins to repeat as Sakuta finds himself stuck in a time loop, which Rio attributes to the phenomenon of Laplace's demon. To break out of the loop, she suggests he try to find whoever is not behaving the same as the day repeats, leading him to Tomoe...