If you loved xxxHolic: Rō, try Detective Conan: The Disappearance of Conan Edogawa - The Worst Two Days in History
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.
You already loved

xxxHolic: Rō
→
Try this next

Detective Conan: The Disappearance of Conan Edogawa - The Worst Two Days in History
What they share
Theyboth carry the slow burn mood tag, and they sit in Animation / Mystery territory. If that's the register that drew you to xxxHolic: Rō, the second film will land in a comparable space — through a different lens.
slow burn
What Detective Conan: The Disappearance of Conan Edogawa - The Worst Two Days in History is
Steamy bathhouse on a rainy night, echoing pipes, a suspicious glance. Conan falls, taken by underworld men. Director Yasuichiro Yamamoto helms this concise anime mystery.