 If you liked
Monokuro Shounen Shoujo
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 ...then you might like
Kohitsuji Project
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The genres are a little different from each others, one is a shoujo manga and the other a yaoi manga.
Still both mangas is about a human entering a prestigious school for vampires/beasts. The human has to teach the students to blend in with the human society along with avoiding being eaten by the vampires/beasts. Some romance is also present.