Konosuba: An Explosion on This Wonderful World! Vol 3

From the Yen Press edition

Megumin is off to Arcanletia, the city of water, hot springs…and the Axis Church! With no money and no connections, she soon finds herself helping its members in their efforts to secure new recruits! Along the way, she’ll discover just how strange the Axis Church and its followers truly are…

Source: Yen Press