the stepchildren of his remarried partner are the beautiful older sister Yuika and the cute younger sister Hikaru. "I want to somehow squeeze their breasts and asses...!" The stepfather's head was full of lewd obsessions. One day, the stepfather learns about the existence of a "brainwashing maker." It's an app that can rewrite the brain of the target and brainwash them. Even though he was skeptical, when he used it, the sisters fought over the stepfather's dick! They fucked! Creampied many times! The brains and pussies of the sisters, who were completely brainwashed, were treated like toys...
