GHKQ-87 Hashimoto Mako: Phantom Thief Repaid – Tormented Cosplay Heroine in Uniform

High school student Takagi Shina attends Privina Academy by day, but by night she becomes the vigilante vigilante known as Phantom Thief Repaid, stealing back powerful artifacts from evil organizations. Infiltrating the criminal group led by the sinister teacher Kuconegi, she gains enhanced strength and pain resistance through a mysterious drug called 'Kusuri.' Battling bravely, she takes down members of the organization one by one with fierce combat. But when her pain sensors are overwhelmed, she's captured and overpowered. Kuconegi takes the defeated Phantom Thief Repaid hostage, dominating her voluptuous body. As she attempts to escape, the pain returns full force, paralyzing her. Injected with more of the twisted Kusuri, Phantom Thief Repaid succumbs to a horrifying transformation… [BAD END]