If you loved Princess Principal Crown Handler: Chapter 1, try Detective Conan: The Bride of Halloween
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

Princess Principal Crown Handler: Chapter 1
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Detective Conan: The Bride of Halloween
What they share
Theysit in Action / Animation / Mystery territory. If that's the register that drew you to Princess Principal Crown Handler: Chapter 1, the second film will land in a comparable space — through a different lens.
What Detective Conan: The Bride of Halloween is
Shibuya at Halloween. A wedding dress. An invited detective. Suddenly, an attack wounds the would-be groom, stirring grim memories for the bride. Three years prior, her lover died in a bombing. A solid entry for fans of the anime series.