Three years after getting married, Yu, who started working as a housekeeper, witnesses perverted sex with the landlord couple using a dubious toy. - She was curious about the toy she had never seen before, so she borrowed it while her husband and wife were away and masturbated with her interest. - Around the time her behavior became a habit, she realized that her room was being monitored by cameras. - Then at that moment her husband comes into the room and attacks Yu. - Even though she knows its wrong, her frustrated body cums many times with toys. - She even comes to be treated as a couples toy. - She was restrained and became abnormally sensitive to the chestnut torture of a strong pink denma, and she continued to be employed as a perverted housekeeper who devoured pleasure.