I know this is long time ago, but Fatal Bullet's final update literally have Alicization Lycoris teaser that ended with "The story continues in Alicization Lycoris."
So why doesn’t he answer? Why does this video end with him whining. Be a husband, flash the rings, say you’re with Asuna, that you married in Aincrad, Engaged in Real World and for a slam dunk tell them you’ve adopted Yui as your daughter together. Depending when this skit takes place, he’s spent 200 years with Asuna ruling Underworld together.