Jun's husband and wife are unable to have children and are under pressure from their father-in-law. Her father-in-law, who has been targeting her for some time, uses this as an excuse to engage in erotic acts. Jun can't stand it anymore and starts using naughty aphrodisiacs. He was a father-in-law who thoroughly enjoyed the beautiful body and pussy of his stepdaughter, not caring about her stepdaughter's increasingly strange behavior.