Rui, a mother who raised her only son, Kota, while suffering from financial difficulties. In preparation for the examination fee, he started a water business as a side business, but one day a customer asked for a physical relationship in exchange for a high price, and he responded unintentionally. And Kota happens to witness such a mother's misbehavior. Kota looked down on Rui, and with that as an opportunity, he couldn't control his distorted feelings about Rui.
