With Komekko missing and monsters running amuck, everything Megumin and Yunyun have learned is put to the test.

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.

The demonic Host continues the search for his master, and Megumin may be the only one who can keep him from destroying Axel in the process.