Intrigued by the possibilities of the Gymnastics of Darkness, the board chairman's granddaughter collaborates with Nikusuke to identify promising yet hesitant young ladies for the pioneering group. This selection marks the beginning of an extraordinary training initiative focused on specialized gymnastic techniques. The chosen students soon find themselves immersed in a rigorous curriculum that pushes their physical boundaries in unexpected ways. Through persistent practice, they gradually discover new depths of personal strength and awareness.