Makoto officially starts dating Sekai, leaving Kotonoha heartbroken. As emotions intensify, Makoto's indecisiveness causes pain to both girls.

Makoto's attention drifts as other girls begin showing interest in him. His inability to refuse advances sets off a chain of betrayals and misunderstandings.

Relationships fracture as Makoto's behavior becomes increasingly reckless. Sekai senses something is wrong, while Kotonoha becomes more isolated.