Hikage Majo wa Kizukanai: Mahou Gakuen ni Nyuugaku Shita Tensai Imouto ga, Ane wa Motto Sugoi to Iifurashite Ita Nante

The fantasy story centers on Airi, a rural witch who desires to move to the kingdom's capital and get to know more people, but finds herself unable to due to her introvert nature. However, she finds her abilities unknowingly thrive in the hinterlands, where she uses spirits to aid in agriculture, and accidentally driving off raiders and beasts, sometimes saving the kingdom without even knowing. Meanwhile, her younger sister Riel is enrolled in the capital's academy for elite witches, and boasts so much of her sister that even the capital is abuzz with rumors about this so-called prodigy witch Airi.

(Source: AnimeNewsNetwork)