 If you liked
Shoujo Kakumei Utena
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 ...then you might like
Gosenzo-sama Banbanzai!
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The main similarity is the references to theatre, with shadow girls in utena and a play-like storytelling in the entirety of Gosenzosama, also, there is a narrator that ocasionally appears and ells what happens or what will happen in the story in an abstract and allegorical way.