Her stepchildren are her beautiful older sister Yuika and her cute younger sister Hikaru."I want to somehow massage the two of them together...!" My stepfather's head was full of obscene worldly desires.One day, my father-in-law learns about the existence of a "brainwashing maker."It is an app that allows you to rewrite the brains of the target partner and brainwash them.Despite doubt, the sisters use it, and fight over her stepfather's dick!Fucking each other!Creampie multiple times!The brainwashed sisters' brains and pussy are treated like toys...
