 If you liked
Le Chevalier D'Eon
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 ...then you might like
Shisha no Teikoku
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If you're a fan of zombies, then both series will prove to be enjoyable to you, because a large portion of both focus on the reanimation of corpses. While in Le Chevalier (pre-revolutionary France), it's because of magic/alchemy that corpses come to life and act as killers, in Shisha (Victorian England), the zombies are controlled by humans to further their standard of living.
Both are very interesting concepts that are treated very differently.