Sword Art Online 21 (light novel)

It''s been a month since Kirito and Asuna returned from the Underworld.Together again with Alice, who managed to secure a life in the real world, itshould''ve been happily ever after...But, as luck would have it, the three findthemselves involved in a VRMMO by the name of Unital Ring, and all their statshave been reset to level one! It''s time for Kirito to put his experience to thetest in a genuine Survival MMO!