Sword Art Online: Deletion

Sword Art Online: Project Ragnarok (ソード・アート・オンライン・プロジェクト・ラーグナローク, Sōdo Āto Onrain Purojekuto Rāgunarōku) is a fanfiction series set in Alfheim and all the worlds that is connected to it. It is written by Kaizawaraiko, and is based in the members of the Knights of Round.