RBD-972 — Deeper, Deeper... A Married Woman Addicted To Anal, Riho Fujimori

Riho visits the Fukai residence after receiving an email from her missing sister. There, she is shown an embarrassing video of her sister being trained in anal sex and drowning in pleasure. Riho, who is sexually naive and doesn't even know about anal sex, is also trained and becomes addicted to the pleasure of her anus just like her sister.