After the massive battle onthe 59th floor, Loki Famila makes their return.However, along the way theirprogress is halted by the appearance of an Irregular and they make camp on the18th floor.There, Aiz faces an unexpected and sudden reunion with a certainwhite-haired boy that a certain young elf couldn't be less excited to see.Theother adventurers are all curious, hoping to find out more about the fastestgrowing adventurer in history but Lefiya has other ideas...