Jiro returns to his parents' house in the summer. There, I knew that my brother and his wife were undergoing infertility treatment, and felt awkward air... That night, Jiro, who happened to peek into his brother's and his wife's activities, was fascinated by an unimaginably violent stupidity from his sister-in-law Kana's usual quiet appearance. If I really wanted to get pregnant, my wife begged Jiro throughout her stable pregnancy to shoot sperm into the vagina. Unable to resist the temptation of her sister-in-law who stole her family's eyes to force ejaculation, Jiro finally ejaculated into her vagina.