SAO Wikia on Twitter: "Sword Art Online volume 21 is now officially out in Japan! This marks the beginning of SAO's fifth arc! Those interested can purchase the volume here: BookWalker: https://t.co/Gz6SKHE87d
Review: Sword Art Online Alicization – War of Underworld Vol. 3 + 4 [Blu-Ray]
Sword Art Online Season 5: Cancelled or Renewed? • The Awesome One