Summary
Argo, known as "The Rat," operates as an information broker and courier within the Sword Art Online death game. Although she and Kirito both suspect that the other was a beta tester, neither is willing to confirm this detail. She is notorious for selling any kind of intel for any price, even the story behind her distinctive trademark whiskers. Despite charging hefty fees to some clients, she is also recognized as the author of free guidebooks found in most town shops to assist beginners.
