Synopsis

Mahiru encounters a boy who identifies himself as Kirio Yamada, and she suspects he may be Aoi’s brother. When he proves remarkably resilient to her blows, Mahiru finds herself engaging in easy conversation with him. Kirio begins to develop feelings for her, a development that casts a shadow over Sōta. Witnessing their growing rapport, Sōta becomes disheartened and behaves erratically the following day. He ends up repeatedly striking his head against the wall, a grim experience that leads him to