After the massive battle on the 59th floor, Loki Famila makes their return. However, along the way their progress is halted by the appearance of an Irregular and they make camp on the 18th floor. There, Aiz faces an unexpected and sudden reunion with a certain white-haired boy that a certain young elf couldn't be less excited to see.

Fujino Omori is the author of the hilarious fantasy light novel series, Is it Wrong to Try to Pick Up Girls in a Dungeon?