Lupin III vs. Meitantei Conan

In the kingdom of Vesparand, the discovery of a mineral with extraordinary stealth properties catches Lupin's attention just as the royal family is struck by tragedy. Queen Sakura and Prince Gill die in suspicious circumstances, leaving young Princess Mira next in line for the throne.

During a visit to Japan, Mira notices that Ran Mouri looks almost exactly like her and impulsively trades places, a decision that sends Ran to Vesparand and draws Conan into the case. Lupin, Fujiko, Jigen, Zenigata, and Kogorou become tangled in the same mystery, where a royal succession, a valuable new resource, and two unexplained deaths connect the thief and detective in an unlikely investigation.