Three schoolgirls challenge themselves to outdoor exposure play. While still wearing their uniforms, they expose their breasts and are tied up, tormented with vibrators and thick cocks—yet surprisingly begin to enjoy the experience. Though the acts seem like harsh torture, they gradually feel pleasure. Their pure longing for school rules and uniforms leads them into this kind of play. Scenes set in schoolyards and natural surroundings heighten the tension and erotic atmosphere.