Surrender to the intoxicating allure of Kaori Otonashi as she embarks on her first anal adventure, guided by the skilled and sensual Ayako Kano. This provocative journey explores multiple orgasms and profound pleasure within the Men's Spirit Pleasure Research Institute. Experience desire and ecstasy intertwined in this 2015 masterpiece of censored adult entertainment that ignites the senses and teases every hidden craving.