The World's Most Erotic Story: Immoral Service

Yui, a fair-skinned beauty, gets lost in the mountains and begins living harmoniously with Goro, who kindly looks after her. Meanwhile, feeling sympathy for Goro, who is struggling with debt, Yui decides to sell her body to a scheming moneylender. However, before she knows it, she is being trained by the men... "I'll repay the kindness of those who helped me with my body..." A mysterious, lascivious, and erotic story starring Oba Yui!