[BDA-213] Your sexual life will be 10 times more fulfilling! Hibiki Otsuki's fetish development seminar (Censored)

An ambitious work in which Hibiki Otsuki challenges herself with a variety of play styles she has never shown before! The back job, which she herself has experimented with quite a bit, is a first for her, even with her career spanning over a decade! You can enjoy plenty of Hibiki's beautiful back, which you don't often get to see! And the full-body tights! It seems that the full-body tights were different from what she had imagined, and her reaction was something like, "Wow! Are you really going to wear this?"...