Madonna faithfully adapts Gatari Kurosu's popular DOLLPLAY work Kono Mama Syndrome. Koichi is frustrated that his relationship with his girlfriend Yui is going nowhere. When Yui's mother Ryoko, played by Nene Tanaka, asks how far they have gone, he insists their relationship is still wholesome. Ryoko presses her voluptuous body against him and whispers, “I'll do everything you can't do with her,” before kissing him deeply. Faced with pleasure unlike anything he has known, Koichi has no hope of resisting...