Okitsune Gal no Katabami-san

Kamo is an ordinary high school boy who takes his studies seriously, but his childhood friend, Katabami-San, keeps trying to interfere. What's more, Katakure-san's true identity is...... a fox spirit! The battle between Kamo-kun, who doesn't want to be bothered, and Katakure-san, who wants to distract him, will begin once again…

(Source: ComicWalker, translated)