Nanako, a member of the volleyball team at the College of Physical Education, is secretly aiming to be a member of the Olympic team. However, she was born with a perverted sexual appetite and indulges in daily sexual training sessions with an elderly maniac. Even during her training sessions, her burning masochistic sexual desire is uncontrollable, and she is drowned in intense and lewd fantasies that lead her to orgasm. NANAKO's outstanding physical strength and athleticism did not lead her to the ball, and she took every opportunity to fall into the world of her extreme and tyrannical fantasies...
