A perverted masochist mother "Yui" who has been trained by a man called master. One day, the man orders him to hand over his daughter Urara as a slave. "Yui", who felt that she would be abandoned if she refused, decided to give her daughter to him. When my daughter goes out, I take my daughter's boyfriend asleep and show my daughter a messy bondage sex. "Urara", who has the blood of a masochist woman, gradually begins to feel sexual excitement, and both mother and daughter fall into the swamp of bondage training. ＃Yoro P
