In the deadly virtual reality game Sword Art Online, two thousand players have already perished in the first month since its inception. With the impending battle against the first-floor boss, Kirito, a lone player, seeks to grow stronger by fighting solo. His path crosses with Asuna Yuuki, a high-level female player, who effortlessly defeats monsters with her swift and radiant rapier.
Sword Art Online: Progressive - Aria of a Starless Night
Asuna, a high school student, finds herself trapped in a deadly game of Sword Art Online, where a single mistake can have devastating consequences, as her real-life brain is at risk of destruction if her in-game HP falls to zero.