Teacher's exam score: 3 points! Sex score: 10 points! A hot summer day where tutoring my overdeveloped, busty cousin turns into a sex lesson for me! Momojiri Kanae FSDSS-475

One summer, my cousin came to visit us in the countryside. She wasn't good at studying and asked me to tutor her... her breasts were really big... While her breasts were drawing attention, she suddenly mentioned that I was still a virgin... After that, she used her large breasts to seduce me, and in a riding position, she deflowered me...