Chikuhu married into the Makiguchi family as an adopted son-in-law. His mother-in-law, Kyoko, is a woman to be admired for her beautiful appearance and perfect housekeeping skills. However, one night, Chikuhu learns that due to his father-in-law's infidelity, the two have become a couple in name only! As Kyoko, still in her prime, becomes increasingly frustrated with unmet desires, Chikuhu pounces on her large breasts as if he had planned it. Kyoko unintentionally feels pleasure as she is toyed with by her son-in-law... Through shameful play and sex with internal ejaculation within the home, Kyoko falls into being a giant-breasted Dutch wife dedicated to her son-in-law's affairs...
