Count Zero (Sprawl, #2)

by William Gibson

I knew this street samurai got a job working for a Special Forces type made the Wig look flat fucking normal. Her and this cowboy they’d scraped up out of Chiba, they were on to something like that. Maybe they found it. Istanbul was the last I saw of ’em. Heard she lived in London, once, a few years ago.

The most direct connection to Neuromancer, or at least its main characters