 If you liked
Rakudai Kishi no Cavalry
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 ...then you might like
Reikenzan: Hoshikuzu-tachi no Utage
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This two may not be the better raking series, but they are good to watch.
You should give it a chance, about the similaritis... well to follow the page rules, and to not get reported, I have to say that may spoil you somethig in but series so if you hate spoiler, just trust in my words, close this recomendation, and go watch it.
If you hope this one has a harem too, sorry, there is any harem. At least not a explicit one.
But
MC has a similar personality...
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a little spoiler alert (it's really small)
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...also same "no magic" problem and way to overcome it