Download or read book Sword Art Online Progressive, Vol. 4 (manga) written by Reki Kawahara and published by Yen Press LLC. This book was released on 2016-03-22 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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?