MOON-018 Nonoze Ai, who is always too wet and troubled, wants to secretly do her favorite masturbation in the school at night where no one is around, making squishy sounds.

Nonoe has a gentle personality but is greedy for eroticism. Her body seems to get wet just from living her daily life, and she loves masturbation. One day, while masturbating at home, she almost gets caught by her mother and feels her heart racing. Wanting to experience that thrill more, she exposes herself naked in an empty school after classes and starts masturbating in the classroom. One night, while naked in the classroom, a classmate enters and tries to steal a girl's gym clothes. Both holding each other's weaknesses, they decide to wander around the school naked at night and have naked sex…