In this fantasy world of The Mage of Basilico, citizens of Potpouripolis are exposed to the threat of dangerous magical beasts appear often from the deep woods surrounding the city.
An ordinary high school girl cat, Mulberri, and the young female mage, Tetri, fight together against the magical beasts to save the day.
But unlike her position as a mage, Tetri never uses her magic during battles, or anywhere in front of people.
One day, Mulberry wondered why the mage keeps her magic secret...