Akari is a perverted masochistic mother who has been trained by a man she calls Master. One day, the man orders her to offer her daughter Sumire as a slave. Feeling that she will be abandoned if she refuses, Akari decides to offer her daughter as a slave. While her daughter is out, she seduces her daughter's boyfriend and goes wild with bondage sex. Afterwards, Sumire, who witnesses the strange behavior of her mother and her boyfriend, is also tied up and raped, but she awakens to an abnormal sexual fetish, and both mother and daughter fall into the swamp of bondage training. #YoroP