 If you liked
Touhou Niji Sousaku Doujin Anime: Musou Kakyou
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 ...then you might like
Kyousou Giga (TV)
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Kyousougiga and Touhou have pretty similar settings - they are both sealed "fantasy fridge" mirror worlds which are inhabited by both humans and youkai, and this is reflected by the character casts in both series. Both also touch on Buddhist cosmology as the gods are not always authoritative over humans. If you like the supernatural aspects of Kyousougiga then Touhou would be right up your alley, and vice versa.