Almost two months have passed since Sword Art Online players found themselves captive in a deadly game where the death of a virtual character means death in the real world. Fighting on the front lines, Kirito and Asuna reached the Fifth Level. In this land of ruins, they become interested in hunting for relics, which brings them valuable items and money. Returning to the Fourth Level for the reward promised to them by the Dark Elf Viscount Yofilis, Kirito offers to take on small quests related to the catacombs under the city. Asuna agrees, but the fact is that it is in this dungeon that the strongest rapier user meets her most hated enemy, because the catacombs are inhabited... Will Asuna be able to overcome fear and take part in passing the Fifth Level?