In Hanamori Town, there are "magicians" who have a great magical power by nature, and "guides" who support half-beasts as wizards. Luna, the heroine, is a human being who has no magical powers even though she is born as a guide child. Still, I was attending a magic school with the dream of becoming a guide for Yokai, a childhood friend who is a wizard. 
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Has a spin-off one shot Ron to hikari no Nekomusume (ロンと光の猫娘)