That JAV

One day, "Jun" and his wife's father-in-law came to visit them at their home. While the husband is asleep, the father-in-law begins to act. Jun, who has little experience, is unable to resist, and is cuckolded by her father-in-law, who shows her his big cock. She is taught the pleasures of sex by her father-in-law, and gradually becomes obsessed with it. She becomes a captive of sex, and is completely consumed by it.