It has been two years since Aoi married into the Kojima family. Her mother in law informs her that it is her duty as a daughter-in-law to give birth to children and protect the household. She is assigned the duty of caring for the head of the household, Houichigorou her elderly father-in-law. She is given the ultimatum of either becoming pregnant or leaving the Kojima family. Aoi reluctantly agrees to sleep with her father-in-law to fulfill her duty, leading to intense and humiliating sex scenes with deepthroat, paizuri, raw pounding missionary and doggystyle until he floods her womb with creampie, turning the proud wife into a breeding tool for the family