Takashi Komiya continues dominating his Russian stepmother Yuriya and his two stepsisters Anna and Rina after discovering their secret perverted lives filled with naughty cosplay and late-night sex with strangers. In this episode he escalates his control by blackmailing all three women into full submission using hidden recordings of their slutty behavior. The sisters restrain their own mother for Takashi's pleasure exposing Yuriya's repressed desires while Anna reveals her secret double life as a promiscuous student council president and Rina embraces her masochistic tendencies. The three women are used together in intense group sessions deepthroating paizuri raw pounding missionary doggystyle and creampie overload until they completely break and accept their new role as his personal family sex slaves