Tan Your Onakko Assistant Portable - Yui

And later that night:

: Unlike standard NPCs, Yui has administrative privileges. She can manipulate game data, track player locations, and provide real-time information to her "parents" across various virtual worlds like ALfheim Online. Sword Art Online Wiki Bridging the Virtual and Real Worlds In later arcs, Kirito develops a yui tan your onakko assistant

Yui Tan utilizes natural language processing to maintain the "Onakko" persona, using specific speech patterns and honorifics that appeal to her target demographic. And later that night: : Unlike standard NPCs,