Jun Suehiro, a devoted housewife, finds herself under the spell of hypnosis, transforming from a dignified lady into a shameless woman-beast. During her husband's business trip, she becomes the target of her neighbor Sakae, a former colleague who harbors secret feelings for her. Despite her resistance, Jun's body and mind are shattered by Sakae's overpowering influence. As she descends into a state of submission, she experiences intense pleasure and becomes a true female beast. Her life as a housewife takes a dark turn as she is trained to serve her master's desires. The story unfolds in five chapters, depicting Jun's journey from a happy marriage to a life of degradation and submission.