Ichijyoma Mankitsu Gurashi!

Synopsis

High school girl in the manga cafe! Meiko is a countryside girl who enters a rich girls' school. All expenses will be paid if she participates in activities... But who knew it would mean live-in work in a manga cafe?! Living in a small manga cafe booth turns out not to be so bad! Would you like to have your fill of the manga cafe staffed by cute high school girls?

(Source: Bookwalker, translated)