Akarin is a young married woman who has been unhappy for a long time. She doesn't work anywhere and devotes all her free time to cleaning the house. Akarin's husband is always away at work, as he is a typical Japanese hard worker and an important link in his team. Their father-in-law, who lost his wife a long time ago, also lives with them. He constantly looks at the lovely forms of the bored and unhappy Akarin and every day he dreams to fuck her slutty pussy properly. Soon his father-in-law catches the girl in an incredibly lewd pose, wiping the table. He simply lost his senses and pounced on his daughter-in-law...