Amid the rubble of the collapsed school, Takahaki fuels suspicion by telling Fubuki that Shinichi has grown close to the junior girl, who quietly admires him. The claim drives a wedge between the two childhood friends and leaves Shinichi uncertain of where he stands. As distrust spreads through the small group, Takahaki uses the tension to draw both the junior and Fubuki into his control, actions that deepen Shinichi’s isolation and fill him with fresh doubts about everyone trapped alongside him.