If you loved The Garden of Sinners: Epilogue, try Detective Conan: Sunflowers of Inferno
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

The Garden of Sinners: Epilogue
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Detective Conan: Sunflowers of Inferno
What they share
Theysit in Animation / Mystery territory. If that's the register that drew you to The Garden of Sinners: Epilogue, the second film will land in a comparable space — through a different lens.
What Detective Conan: Sunflowers of Inferno is
Auction hall summer evening spotlights on Van Gogh's Sunflowers. Kaito Kid vanishes with a replica. This anime bears a classic detective fiction stamp.