 If you liked
Sen to Chihiro no Kamikakushi
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 ...then you might like
Jibaku Shounen Hanako-kun
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both incorporate lowkey eldritch supernatural elements and lots of crazy lookin yokai into the real world. also have similar protagonists and beautiful art direction, but hanako focuses more on worldbuilding development and overarching plots as opposed to spirited away's more nonsensical nature.