If you loved Detective Conan: The Scarlet Bullet, 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

Detective Conan: The Scarlet Bullet
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Detective Conan: The Bride of Halloween
What they share
Theysit in Action / Animation / Crime / Mystery territory. If that's the register that drew you to Detective Conan: The Scarlet Bullet, 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.