 If you liked
Kilala☆Princess
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 ...then you might like
Tensei Shirayukihime wa Doku Ringo wo Tabetakunai
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"The Reincarnated Snow White Doesn’t Want to Eat the Poisoned Apple" and Kilala Princess are two shoujo manga where the main character finds herself in another world(s), which is themed after a famous fairy tale. The female protagonist has to try and make sure the story doesn't end badly. Though the main character in Kilala Princess actually goes through several other worlds, one of these worlds is Snow White's world, which is what Reincarnated Snow White is themed after.