Volume 21 official translation out now on iTunes : r/swordartonline

Sword Art Online Light Novel Volume 21, Sword Art Online Wiki

The

News] Volume 21 has been summarised : r/swordartonline

ComicBookAndAnimeNews@ ANIME AND MANGA NEWS FOR 7/22/20: HIDIVE, FUNIMATION, GKIDS, KODASHA, AND MORE

Sword Art Online Light Novel Volume 21, Sword Art Online Wiki

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Sword Art Online Light Novel Compilation

Sword Art Online 21 (light novel): Unital Ring I by Reki Kawahara, Paperback

Sword Art Online Volume 22 Announced! SAO: Kiss and Fly! Unital Ring?