Sword Art Online 21 light novel, Reki Kawahara
Sword Art Online 21 light novel, Reki Kawahara
List: $25.98 | Sale: $18.19
Club: $12.99

Sword Art Online 21 (light novel)
Unital Ring I

Author: Reki Kawahara, Stephen Paul

Narrator: Bryce Papenbrook, Cherami Leigh

Unabridged: 6 hr 46 min

Format: Digital Audiobook Download

Publisher: Yen Audio

Published: 05/12/2026


Synopsis

READ THE NOVEL THAT IGNITED THE PHENOMENON!A year has passed since Kirito and Asuna’s return from the Underworld. With them is Alice, who has been given a physical body. But their peace is quickly broken when the three are suddenly thrust into an unfamiliar game, Unital Ring. This new world is a survival MMO that fuses together every VRMMO created with the Seed program. As soon as it starts, Kirito finds himself with nothing but his underwear. Now, he’s got to challenge a mysterious VRMMOSVG under desperate circumstances!

Reviews

Goodreads review by Tuna on April 11, 2023

I like how Unital Ring volume 1 offered us a glimpse of what Sword Art Online would have been liked if we removed the trapped in a game aspect to it but maintained the death results in the loss of a character stake. Indeed, a similar level of tension and suspense is present in Unital Ring since once......more

Goodreads review by Niijishima on March 06, 2024

SAO Unital Ring is the start of a new and promising arc. Kirito, Asuna, and Alice suddenly find themselves in an unknown game and must first figure out how the game works, but at the same time, they are faced with other unexpected problems. It feels very refreshing, especially compared to Underworld......more

Goodreads review by Casey on April 23, 2021

Perhaps it is unfair to mention Underworld, but I was more than ready to leave it behind and start something new. And did we ever. I also happen to have a proclivity toward crafting in MMOs and have chosen to play some and not others specifically because of this so this new survival game requiring i......more

Goodreads review by Braedon on November 30, 2023

A great start to the arc, while its not as captivating as the start to Alicization, it definitely sets up great potential for it. I also enjoyed Kirito’s struggles in having to deal with separating himself from the Underworld which he considers his home, and it’s nice to see him and Alice experience......more

Goodreads review by Irongretta on April 28, 2025

I like the concept for Unital Ring and the survival aspect but for me personally, the restoration of the house took too long. I had hoped for the story to cover more about what’s going on in the game itself. Also, I was a bit disappointed about the lack of information on the Underworld. But I‘m neve......more