Gin dies before the organization's downfall and is reborn during the Black Organization's heyday, when Shinichi Kudo has just been fed APTX 4869.
Organization setting: The Black Organization remains a transnational criminal group, but its internal factions are complex. Gin belongs to the operations division, while Hillier belongs to the intelligence division.
Rebirth setup: Gin retains his memories from his previous life and knows the organization will eventually be destroyed, but he doesn't know exactly when.
