The world’s first full-dive VRMMO, Sword Art Online—known as SAO. What was meant to be a dream come true has instead transformed into a deadly game where dying in the virtual world means dying in reality.Emirun and Rex, who once knew each other in the real world, reunite by chance within SAO. They join a scouting party to learn how to survive in this unforgiving world. One day, however, they encounter a mysterious PK...