User blog comment:MyProjectAlicization/Kuroyukihime - Kirito and Asuna's daughter?/@comment-221.181.34.204-20140110101535/@comment-24034641-20140110105251

you're forgetting something also... Yui is an AI system, and the way she is, she wouldn't act the way that White Cosmos acts, also if Kazuto was the creator of Brain Burst, and also Kuroyukihime's father, then why would she want to meet the creator of BB, when her father is the creator?

I think Kazuto is the creator of BB, however I doubt that Asuna and Kazuto are her parents