The sword field: an infinite hours is part of the 20th anniversary of madiawors, which is part of a game of video animated by tv, which is also being played by the light sword library. The type of game is "rpg for a moment with you" and the drama will be developed by the original author, kawahara, as director general. The players will become masters and computer-controlled comrades working with authors to take risks in the sao stage floating city. The original sao ended up on the 75th floor of ein grant, but in this work players can start new adventures from the 75th floor. In addition, lifa, who was supposed to be present at alo, will be present at sao. The system that tells the game will be infected with unknown errors, and it appears that this unknown bug will be infected with the remaining 25 layers (the original novel is set at 100 floors) and will have all known boss travels, and the players will be able to play the "the remaining 25 floors" that cannot be seen in novels, anim...