An ordinary salaryman, Hinata Momose, fell victim to fraud by an organization, resulting in a large amount of debt. The leader of this organization, Takeru, forced Hinata to become a maid and, as part of a clinical trial, ordered him to drink a suspicious medicine. Hinata's wife, Chisaki, was also captured, becoming a plaything for Takeru... a sight that Hinata was forced to witness. Eventually, Hinata's body started to feminize and he became "Hina." As Hina, she is forced to wear cute uniforms while also tending to Takeru's thing... But before that, his wife had also become changed, becoming Takeru's lover...