Sinon and Kirito from Sword Art Online Gun Gale Online HD Wallpaper

Two anime characters are depicted in a dark, abstract background. The character on the left, with long dark hair, wields a glowing blue sword and wears armor. The character on the right, with shorter blue hair, wears a white coat and stands behind the first character. Text reading "GUN GALE ONLINE" is visible on the left side of the image.