My highly educated, beautiful, and high-class sister-in-law, who taught me, a virgin who was repeating a college entrance exam, how to have sex with her—I was incredibly lucky! Mizuta Asami VENX-275

Kenji, a student retaking his exams, seeks advice on test-taking techniques from his highly educated sister-in-law, Asami. For Kenji, who has always focused on his studies and has never had any contact with women, Asami's beauty is incredibly stimulating. Just sitting next to her makes him lose focus and unable to concentrate. Distracted, Asami approaches him and says, "You won't just be studying; I'll teach you other things too." His highly educated, perfect, and beautiful sister-in-law becomes the ultimate vagina, capable of receiving multiple times with just an erection—a long-awaited graduation experience of virginity!