Gymnastics of Darkness: Training Unwilling Beauties in Excruciating Pleasure

Based on the erotic game by Panda House. Intrigued by the hot erotic potential of the Gymnastics of Darkness, the board chairman’s granddaughter Tomomi helps Nikusuke pick unwilling ladies to be their first students. These young ladies are forced to learn the meaning of excruciating pleasure under Nikusuke’s gymnastic training…