Sword Art Online Progressive Volume 01

Sword Art Online Progressive Volume 1 is the start of the reboot of Sword Art Online, a light novel series by Kawahara Reki. It was released on October 10, 2012.

Background
The volume contains Kirito's adventures at the first and second floors of Aincrad, including a rewrite of two side stories.

Aria in the Starless Night (Aincrad 1st floor, December 2022)
It has been a month since Kayaba's tutorial, Kirito is in a dungeon and found himself watching a person fighting a Ruin Kobold Trooper. Kirito decides to appoarch the player and tries to give some advice on how to fight more efficiency, soon realizing that the player was female. The rapier user decided to end the conversation with Kirito as the monsters were going to re-spawn soon. The rapier user begins to walk away before fainting.