As a kunoichi and heir to the Shin Ken Ryu ninja tradition, Kagetsu upholds justice as a special investigator, exposing evil organizations. To uncover the crimes of one such group, she infiltrates their hideout. What should have been a routine mission takes an unexpected turn. Men in black capture Kagetsu and lock her inside a sinister room, subjecting her to brutal torture. Though she struggles to endure with unwavering resolve, her captors cruelly exploit her physical and emotional vulnerabilities. Relentlessly targeting her feminine weaknesses, they wear down her strength bit by bit. The unbreakable kunoichi who believed she would never yield slowly transforms into a helpless, fragile girl... [BAD END]