After ten years, I see my innocent classmate again, now a lewd and promiscuous woman! (Merrill Rika NACR-875)

While walking down the street, I ran into an acquaintance. It was my classmate "Rika," whom I hadn't seen for 10 years. From my past impression of her as a pure and innocent girl, she had transformed into a charming and mature woman. I almost forced her to take me home, and we started reminiscing about the past. As we talked, Rika grew closer and closer, and I couldn't resist...