 If you liked
Ghost Hunt
|
 ...then you might like
Sakurako-san no Ashimoto ni wa Shitai ga Umatteiru
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Eerie mysteries in both animes solved predominantly with logic (although Ghost Hunt involves more supernatural occurrences). In both animes the 2 main characters are partners in solving mysteries, separated by a considerable age gap. The younger accomplice is just a high schooler, but has more potential than initially thought, while the older accomplice specializes in what they do.