Tomohisa married into the Maki family as an adopted son-in-law. In addition to her beautiful appearance, her mother-in-law, Kyoko, is a longing woman who does housework perfectly. However, one night, Tomohisa learns that the two have become a masked couple due to his father-in-law's affair! Kyoko's body, which is still in her prime, gradually becomes frustrated, and Tomohisa attacks Kyoko's big as if she were tired! A son-in-law who plays with Kyoko who feels unintentionally ... - With shame play and vaginal shot sex at home, Kyoko falls into a busty affair sex doll exclusively for her son-in-law.