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. Bondage, nipple clamps, vibrators and roughly taking the virginity of petite gymnasts will allow them to unlock their true erotic gymnastic potential. Haneoka becomes the first member of the Dark Gymnastics Team.
Midnight Gymnastics: Women compete by displaying their beauty and sluttiness. It's a secret event that's more extreme than your regular gymnastics event. Celebrities are the only ones who can view these events. Fubuki Haeoka goes undercover as a female Midnight Gymnastics coach to rescue his stepsister and other girls.
