A beautiful girl named 'Nazuna' who looks at the world with cold eyes wondered why men would desperately thrust their hips, thinking they were stupid. She was frigid and could never climax. But that's all in the past now. Through being touched by an old man, she awakens to the door of pleasure. Made to reach orgasm over and over again, trapped in a hell of ecstasy. Though frightened by the pleasure she feels for the first time, she can't stop the endless orgasms. Ultimately, she accepts the old man's bareback ejaculation inside her.
