Sister-in-Law Breast Milk Pet Rumi Yoshizawa

After giving birth, Rumi moves in with her husband's family to raise their child, living alongside her brothers-in-law. At first, they welcome her warmly, but the lewd sight of Rumi breastfeeding gradually drives them mad... One afternoon, the second son, Minoru, finally rapes her violently as her breast milk spurts out. Unable to forget the taste of Rumi's milk and body, he holds a weakness over her, and Rumi becomes subservient to her brothers-in-law. The breast milk meant for her child turns into a tool for their twisted sexual gratification...