Pale-skinned, slender married woman, Fumene Mizutani, is bound in a tortoiseshell rope bondage and made to take endless creampie after creampie in place of her husband. Though she initially resists, claiming she would never do anything like this with her husband, her intense curiosity quickly takes over. Despite her strong will, she becomes deeply fascinated by the situation, completely absorbed as if entranced. She forgets her husband entirely, losing herself in intense, intimate moments and discovering new pleasures. Exposed to sensations she's never experienced before, new sexual boundaries unfold within her mind.