If you loved Lupin the Third vs. Detective Conan: The Movie, try Lupin the Third vs. Detective Conan
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.

Lupin the Third vs. Detective Conan: The Movie

Lupin the Third vs. Detective Conan
What they share
Both films are directed by Hajime Kamegaki, and they both carry the playful mood tag, and they sit in Action / Animation territory. If that's the register that drew you to Lupin the Third vs. Detective Conan: The Movie, the second film will land in a comparable space — through a different lens.
What Lupin the Third vs. Detective Conan is
A pair of thieves and a tiny sleuth race to solve the same mystery in a cross-franchise cameo reel. Conan Edogawa investigates a suspicious hunting accident while Lupin the Third plots to swipe an ornate royal crown. The collision feels less like a crossover and more like a theme-park stunt ride.