Ami Kuroki, an idol-like beauty, visits her boyfriend's apartment for the first time. She soon discovers his shocking fetish: scat. Following his commands, she is stripped from the waist down, forced to wear stiletto heels, and made to squat over a toilet on the balcony. A long enema tube is inserted deep into her colon, and Ami's face gradually twists in distress. Her boyfriend delights in her suffering. Screaming that her stomach hurts so much she feels like dying, she reaches her limit. Despite undergoing an experience she's never shared with anyone, she becomes speechless before him. With violent, loud noises, a powerful stream of intensely foul and grotesque waste erupts from her. Overwhelmed by shame and terror, Ami feels as if she's going insane. Her helpless state vividly reveals the image of a pure idol drawn into her boyfriend's extreme and twisted obsession.