SNIS-519 The Secret Investigator's Woman: Closure, Tsukasa, who fell into drug slavery

The frequent disappearances of young women and the spread of dangerous drugs among youth… To investigate the connection between these events, a lone investigator infiltrates the organization's hideout. Caught in the enemy's trap, he is captured and subjected to suspension torture, forced oral sex, and restrained humiliation involving three people… Despite maintaining his sense of justice and refusing drug administration, his physical and mental limits are pushed to the brink, leading him to drink water laced with an aphrodisiac. Overwhelmed by intense sexual pleasure, his self-control shatters… The investigator, now a victim of the drugs, descends into madness and is left unrecognizable…