File:Vol 17 - 006.png

Summary
A coloured illustration on page 6 of Sword Art Online Volume 17.

Latest image source: Ruranobe

Translation
Sinon: 「Subtilizer......why are you here?」

'''Subtilizer: 「........As I remember, we should have fought before in a Gun Gale Online tournament. Who could imagine that we'd meet again in such a place?」'''
 * The avatar of Gabriel Miller in «Gun Gale Online» who had logged into Underworld with the Super Account 04 «Vector, God of Darkness».