During a battle in Ordinal Scale (OS), something happens to Asuna and she loses her memories of SAO. Even worse, similar symptoms begin to show up in other SAO returnees as well!? Meanwhile, Kirito is going to more OS battles to find the elusive Eiji, a young man who seems to hold the key to restoring Asuna's memories. There, he meets the mysterious girl he encountered in Yoyogi Park, who leads him to a certain place...
Viet Phuong Vu Poradie kníh (chronologicky)


Two years after 10,000 players were trapped in the VR world and forced to participate in the impossible death game known as Sword Art Online, VR technology has only continued to evolve. A state-of-the-art AR device called the Augma has risen to prominence, becoming a near-essential part of everyday life as well as the exclusive home of an MMORPG called Ordinal Scale. Blurring the lines between fantasy and reality, Ordinal Scale quickly captures the attention of Kirito and his friends, who decide to start playing. But things take a turn when Kirito gets word of SAO bosses appearing inside this new world...