[NoirX]

Originally Posted by n120cky

Well I can take as much as Yui is a novel character introduce by author as an AI, so her role not only be attached solely for SOA but also other MMO or even real life.

If I may suggest a comparison then

Spoiler for Hack series:

You can say that's Yui pretty much like AURA.

On another note, an independent acting program is already sufficient enough to be called an AI