Akari lives a happy married life with her kind husband. - However, Akari had one complaint: living with her vulgar stepfather. - The father-in-law finds Akari who has fallen asleep due to fatigue while her husband is away, and takes advantage of the fact that her son is not there, worshiping her firm breasts and the depths of the black glossy bush. - When the father-in-law sees his wife's private parts, he turns into a beast in heat and targets the young female who lives under the same roof.