Yuu, who has been married for three years and started working as a housekeeper, one day witnesses the landlord couple having perverted sex with a suspicious toy. - Yu is curious about this toy she has never seen before, so she borrows it while her husband is away and masturbates with it. - When this behavior becomes a habit, he realizes that his room is being monitored by a camera. - At that moment, her husband comes into the room and attacks Yuu. - Even though she knows it's wrong, her body is so frustrated that she climaxes over and over again as she is tortured with toys. - Furthermore, Yuu comes to be treated as a toy for the couple. - Being restrained and having her clit tortured by a strong pink penis, she becomes abnormally sensitive and continues to be employed as a perverted housekeeper who craves pleasure.