Axillon99 by Matthew S. Cox
"Fusing plausible representations of playing science-fiction MMOs with nuanced portrayals of a possible near-future, Cox creates a story that has plenty to appeal to gamers, old-school cyberpunks, and techno-thrillseekers alike."
More thoughts: https://davidjhiggins.wordpress.com/2018/06/08/axillon99-by-matthew-s-cox/