Sword Art Online Progressive manga volume 4 features story by Reki Kawahara and art by Kiseki Himura.

While Nezha attempts to atone for his misdeeds, the battle against Sword Art Online's second-floor boss begins! Kirito's uneasy alliance with the other front-runners seems to be holding, but what will happen when the floor boss corners them? Can Nezha rise to the occasion and seize a hero's prize?

Note: This story is an alternate retelling of Sword Art Online from Asuna's point of view.