Yuki is a beautiful wife living with her husband Tomonori and father-in-law Chizo. Chizo, who is in a state of limbo as he cannot get his hands on the sexy Yuki, calls Yuki over. Chizo claims that Yuki is the reason they cannot have any grandchildren, and threatens that if things continue as they are, Yuki's parents will be embarrassed. Yuki gives in to his threats and, confused and humiliated, gets naked. Chizo caresses Yuki's buttocks under the pretext of a physical examination, and eventually slides his hand down to her pussy...