Mahou Shoujo Kanrikan Hanmura Hisayuki

is a Japanese manga series written and illustrated by Konya Yukio. The manga was serialized in the Dengeki Daioh magazine and published in Japan by ASCII Media Works under the Dengeki Comics NEXT imprint from February 2014.

Synopsis
Use the magical girl systematically.

Rio Katsuragi, who became a formal magical girl, begins to exterminate demons to help people with the magic wand Snow who speaks words. However, the contents of Snow that she trusts are actually humans ...

(Source: KADOKAWA Official Website - Translated)