A pure female college student, driven by curiosity, decides to become an AV actress. She knows nothing about S or M, just an innocent girl. However, she is forced to perform explicit acts with service workers invited to her home. Shower naked with a plumber! Let a masseur finger her! One impossible demand after another, like paying off an NTK bill through masturbation. Surprised and shocked, she exclaims, "I didn't sign up for this..." Yet, amid embarrassment and confusion, she gradually complies with each exposure order. Eventually, her deeply hidden masochistic nature begins to emerge...