An illustration on page 459 of Sword Art Online Alternative: Gun Gale Online 1 - Squad Jam.
Latest image source: Ruranobe
Original image source: Gsimenas
This is Kuroboshi Kouhaku.
While looking up images as material for the equipment, I found a soldier on stand-by with his hands placed in his plate carrier from the side like this [arrow] and felt all warm inside.
Appears on these pages
LLENN and Karen on the cover of Sword Art Online Alternative Gun Gale Online Volume 1
Sword Art Online Alternative Gun Gale Online I Squad Jam (ソードアート・オンライン オルタナティブ ガンゲイル・オンラインI...