Sword Art Online: Strength of the Heart

Akihiko Kayaba has trapped 10,000 players in his VRMMORPG game Sword Art Online, now the only means to escape are to clear all 100 floors of the game, or die. The only catch is, there are no respawns, a death in the game means you are dead for good. From both the real world and SAO. Follow six friends who find eachother in the game. Alone they are nothing but together can survive.