In the World of Detective Conan, Gin and Hiromitsu Spoil Me Rotten at the Black Organization

I transmigrated into Gin's perfect younger brother, who had been living away from home, and happened to save Scotland, who was destined to die. I thought I'd have to struggle to survive between the Black and Red sides, but then I discovered that my cold-blooded older brother quietly indulged me, while the gentle police academy crew were desperate to bring me over to their side. Then that Chinese Boss showed up and smiled at me. "Little brother, I couldn't protect you in your past life. This time, your big brother will forge the sharpest blade for you."