Asahinagu.

あさひなぐ

Asahinagu (あさひなぐ; "Asahi Knocks Them Off Their Feet") is a Japanese manga series written and illustrated by Ai Kozaki. It revolves around the life of a timid girl who joins a naginata club to improve herself. It was serialized in Shogakukan's Big Comic Spirits magazine from January 2011 to September 2020, with its chapters compiled into thirty-four tankōbon volumes.