In this adult classmate role-play, the narrator attends the annual fireworks festival with his best friend Rui and childhood friend Rima. Rima confesses her feelings to Rui but is rejected, then leaves with a forced smile to hide her tears. Worried, the narrator follows and finds her heartbroken and drenched by a sudden downpour. As the rain worsens, they rush into a love hotel together. Her soaked yukata clings to her skin and reveals her bra, and with the two adult friends alone in one room, desire inevitably begins to take over.