Today, she's violated by her father-in-law again... Suffering from a sexless marriage with her husband, her father-in-law persistently invades her sexually. He questions, "Are you two properly making babies?" and proceeds to teach her husband, Takashi, ways to arouse her. Before long, Airi becomes her father-in-law's sex slave, dragged into daily creampie sessions without refusal. This affair with her father-in-law becomes part of her routine, leaving deep physical and emotional scars on Airi.