[PRED-759] Rich father× sister brainwashing We, the new father-in-law's sex toy. Kitaoka Kabayashi Tenma Yui

Yui, an older sister who takes care of her and does housework, and Karin, a younger sister who is quiet and easily swept away. The two were my mother's remarriage partner and lived with my father-in-law, a wealthy man, without any inconvenience. However, a nightmare occurs while my mother is in the hospital due to a chronic illness ... - The attitude of her father-in-law, who was so kind, suddenly changes, and she approaches her sisters with her lust exposed. - Her sister, who is easily swept away, skillfully guides her to sex. - Her sturdy sister is forcibly seeded. He takes advantage of the difference in personality to control his mind and body. Before I knew it, the two had become female slaves who competed for sexual service. "Our value is only to be my father-in-law's conceived bag, I'm first, I'm first...!"