After finally arriving in the city of water, Arcanretia, Megumin is once again having trouble saving up for the next leg of her journey. But she may have found an unexpected source of help in the Religious Order of Axis.

Megumin has become acquainted with Father Zesta of the Axis Sect, just in time for him to be arrested thanks to a letter delivered by Yunyun. Can the two Crimson Demons repay his hospitality by proving his innocence?