The couple's relationship is good, but as her husband is in the midst of job hunting and living without income for a while, she starts to live frugally but things don't go as planned, and she impulsively ends up shoplifting. The store manager catches her shoplifting and, in exchange for not reporting her, demands her body, and from that day on, she is coerced into becoming "Aika," but as she is gradually forced into situations with unfamiliar men, she begins to feel pleasure. The excitement and pleasure of being violated as punishment are unforgettable, and today, she continues to shoplift, waiting to be caught again...