Amuro trying to be three different people in one day, and the comedy is just him failing at the transitions. The show knows its entire job is watching him drink tea and deflate when nobody's looking. Six episodes of a man pretending to have his life together, and somehow that's more satisfying than most anime twice its length.
Rei Furuya lives three separate lives simultaneously, and none of them know about the others. By day he's a high school detective solving crimes. By evening he works undercover as a police informant. By night he answers to a criminal organization hunting information and loose ends. Keeping these worlds compartmentalized should be impossible, but Rei has made it an art form. This spinoff steps away from the typical mystery-of-the-week structure to focus on the quiet moments between operations. You'll catch Rei trying to relax at a café, attending school events, or simply being himself when no one's watching, which turns out to be the hardest thing he does. The comedy emerges from watching someone this talented at deception struggle with genuinely mundane problems. There's real warmth here alongside the tension, giving you a chance to understand the person behind the masks. It's perfect if you're curious about the Detective Conan universe but don't need another heavy case to solve. This is character work disguised as comedy.