The beautiful girl "Nazuna" who looks at the world with cold eyes. She was absolutely not into it due to her insensitivity. But that's all in the past now. The door to pleasure awakens as she is touched by an uncle. The hell of climaxing over and over again. Despite being afraid of the pleasure she feels for the first time, she can't stop the climax. Giving in to the uncle, she accepts the internal ejaculation.