Ep. 30: Ko recalls Wakaba's death upon seeing a lookalike girl who invites him to a restaurant.

30

Ko is reminded of the summer Wakaba died after seeing a girl who resembles her. The narrative shifts to a flashback sequence featuring scenes of Wakaba from the first three episodes, culminating in the events leading up to her death. Returning to the present timeline, the girl who looks like Wakaba approaches Ko and invites him to visit the restaurant once it opens for business. This encounter serves as a trigger for Ko's memories, connecting his current experience with the past tragedy involving Wakaba.