翻译成英文：“这虽然是游戏，但可不是闹着玩的。” ——“SAO刀剑神域”设计者·茅场晶彦

Can not be completely Raiders will be unable to leave the game. Game over is also equal to the declared the player's "death", this virtual online game. And only by accepting the contradictory facts to survive -- within the game "death" tantamount to declaring the player's "death", the protagonist - Tong line into a "sword art online domain of God sword" in the game, about 10000 players are forced to volumes in this fight to the death. Own also was involved in the Tong, in the stage of the game - a huge floating castle "Ian Gerd Lunt", not with the team's lone swordsman identity, gradually emerge Tong the completely Raiders conditions, to reach the castle to the top as the goal, ongoing harsh and long adventure. But since meet thorn fencing master - female swordsman Yasina, and leader of the League of blood knights "cross shield the sheetz cliff", his fate has produced the great changes. Whether the Tong people can get out of the game...