The father-in-law who lives in an apartment in the next town over. Kanna, the wife with a serious personality, has always disliked her husband's father, who loves alcohol and gambling and has a rough temperament. Even when she visited her father-in-law's house with her husband, she sighed "haa" when she saw the dilapidated room of her father-in-law, who was still living a decadent life. The wife, who visited her father-in-law's apartment alone the following week to deliver documents related to the city hall. But there, the father-in-law, lusting after her defenseless female body, erected his thick, hard, and robust middle-aged dick and approached "his son's wife"...!