Yuka received an enthusiastic proposal from her husband and got married three months after they met. However, her husband, who runs a major construction company, is very selfish and self-centered. Yuka is treated like a slave by her husband. "I didn't want this kind of life..." One day, Yuka returns to her husband's parents' house for some reason, and she discovers the true masochistic nature of the entire family, including her husband. And the kind and gentle Yuka gradually becomes a sadist, and the relationship between the couple is reversed...