 If you liked
Aqua
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 ...then you might like
Toshokan no Daimajutsushi
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Both manga are about how one strong-willed MC follows his/her passion, but feels like being left behind because many other candidates are smarter and have more knowledge.
*Kafna & Undine, these are the professions the MCs want to reach. Kafna are librarians with a high ranking, Undines are taxi-drivers but with boats on Mars, that has been turned into a planet with lots of water. Both are most often filled with women workers.
<>Aqua is a iyashikei, without violence. Magus of the Library has bits of violence and racism, though the overall vibe is also calmness and entertainment.