Even as an adult, she remains a sex slave. —A record of exhibitionist training over two years— Kiriyama Yuuha 4 Hours - Part 2 SORA-230

Unable to forget the pleasurable experience of being exposed during her student days, Yuuka volunteers again to become a sex slave and be trained. After two years, she becomes a perverted woman who cannot get aroused outside the wild. The hardcore sex of the trainers brings her to multiple orgasms, and she craves penises in the wild!