In addition to men and women, there is a second gender in this world: the "Dom" who dominates and the "Sub" who wants to be dominated. Shunrin was originally a sub, but after her parents, who were Chinese mafia bosses, were killed in front of her, she learned that she could also switch to a Dom. After her parents died, she worked as the boss instead, but due to stress and overwork, she fell into a sub-drop... In order to suppress her symptoms, she had no choice but to play with her aide, Yuu, as her partner. Even though she is so embarrassed in this outfit... her body moves on its own... her position is reversed and she is made to cum many times.