Sumire lives a comfortable marriage with a gentle husband. However, Sumire had one complaint. - It is living with a vulgar father-in-law. I was tired of living without delicacy and being harassed. One day, the father-in-law who found Sumire who fell asleep during the time when her husband was not there was a good thing, shifted her underwear and devoured the genitals mixed with the smell of female sweat. - The father-in-law who occupied the taste then committed Sumire as much as he liked every day and treated her like a sex slave.