To infiltrate Shadow Storm's secret base, Jark and Gedo, high-ranking officers of the Demon Ghost Army, hire Kageninger—a skilled ninja warrior who will do anything for money—and successfully capture Shadow White, the sole female warrior of the enemy team. Understanding that they cannot defeat her through brute strength alone, Jark orders his soldiers to assault her, focusing instead on corrupting Shadow White's pure body with malicious intent. Under the influence of lewd techniques that awaken her latent sexual desires, Shadow White is forced to endure mounting pleasure beneath her mask as the soldiers subject her to humiliating acts. One by one, they rape her, flooding her vagina with massive amounts of semen. Her mask is then forcibly removed, allowing parasitic insects to invade and destabilize her consciousness. Ultimately, through Kageninger's ninjutsu and sexual expertise, she is repeatedly brought to the brink of orgasm until, prioritizing her own pleasure over her comrades and world peace, she betrays the location of the base.