Rika falls into a trap of forbidden pleasure at an esthetic salon she started visiting on her husband's recommendation... What was supposed to be pure relaxation gradually erodes her body and reason through the therapist's clever techniques and aphrodisiacs, leaving her a prisoner of uncontrollable sexual desire! While feeling guilty about her husband's kindness, she cannot resist her deepening cravings, and as she continues her visits, the treatments become more extreme and addictive. Her body is developed into a perverted vessel of pleasure, twitching with orgasms, leaking urine from climax, and squirting repeatedly with an ahegao face. When her husband finally witnesses Rika's completely fallen state, the peaceful daily life of the couple quietly and surely heads toward collapse—.