Kirito, Asuna, and Alice take on the survival MMO named «Unital Ring»! One month following Kirito and Asuna's return from «Underworld». Having obtained a physical body in the real world, Alice had joined their midst. However, their peace suddenly came to an end. "…………Level 1…………" "I also turned level 1!" The three of them were suddenly dragged into a mysterious game named «Unital Ring». This was a «Survival MMO» formed by «The Seed» program by fusing all other VRMMO games. Having lost all of his precious equipment at the start of the game, Kirito was left with nothing more than a pair of underwear. Under these dire circumstances, Kirito takes on the «VRMMOSVG» shrouded in mysteries!