JUKF-100-Uncensored-Leaked — A Serious And Innocent Girl's Worries: "Teacher, Please Tell Me." Riena-Chan, Ninomiya Riena

Riena, a serious teenage girl, was troubled because she couldn't keep up with her classmates' discussions about sex and had no one to talk to about it. One day, she mustered the courage to visit her homeroom teacher's house on a holiday to ask him about sex. However, her teacher was a lecherous man who frequented brothels every Sunday, and he was trying to get rid of his student who had come to his house so he could go to the brothel he had booked. But she was so persistent that he took advantage of her curiosity and began to play with her developing body, and Riena, believing what the teacher said, gradually began to train her body to his liking...