Toratarō Kobayashi operates as a private investigator from the shadowy corridors of Kabukicho’s detective collective, his past etched into the hardened edges of his persona. Once a yakuza *wakashu*—a junior enforcer navigating the syndicate’s rigid hierarchies—he carved his path into detective work, retaining the gangster’s grit that now fuels his confrontational tactics. Linked to the Pipe Cat Bar’s underground network, he pursues cases tied to the Jack the Ripper murders, deploying methods steeped in streetwise intuition and underworld pragmatism. His investigations unfold with a brash, no-nonsense demeanor, a relic of his former life, though the specifics of his personal history remain shrouded beyond professional bounds.