|Spoiler Alert: This article or section contains details about plotlines not covered in the anime. Do not proceed unless you wish to be spoiled. |
In a two-hundred-year-older 《Underworld》, a fateful meeting awaits Kirito!
A reunion with Kikuoka Seijirou, the official from the Ministry of Internal Affair's Virtual Department. This leads to Kirito, Asuna, and Alice being invited to visit an 《Underworld》 where two hundred years have passed since 《The Great War》.
Awaiting them when they once again descended on the world were Ronye and Tiese's descendants... and also...
"So this is the Incarnation of the man calling himself 《Star King》? ――Pleasure to meet you, Kirito-kun."
The man calling himself the Commander of the 《Integrity Pilot Order》 has the same eyes as 《him》 who Kirito had once lost－
Meanwhile, in the world of 《Unital Ring》, the greatest 《malice》 that has got its sights on Kirito and friends finally reveals themselves!!