File:Vol 22 - 002.png

Summary
Source: Volume 22 (BookWalker)

Sword Art Online Volume 22, Yen Press release
Kirito: "Hiya. It's been a while."

Argo: "...Wh-what's the point of you comin' up here?!"
 * The mysterious and flighty info dealer of Aincrad. She has high agility and fights with claws. Her nickname is Argo the Rat.