Mari began working as a maid after her father's business failed. The only one who endures her master's sexual harassment and abuse with absolute obedience, she is constantly subjected to erotic trials that push her mind and body to the brink. Punishments are carried out with vibrators and dildos, as she is trained in new masturbation techniques. Each session writhes with agony and ecstasy, experiencing pleasure and pain simultaneously. As a reward, she is granted a threesome with her master and a prince, a session that awakens new desires within her. Her life as a SEXY maid is an unending series of challenges and pleasures.