Kirito and Eugeo from Sword Art Online: Alicization HD Wallpaper

Two anime characters, Kirito and Eugeo, stand back to back. Kirito, on the left, has black hair and wears a black and white uniform. Eugeo, on the right, has blonde hair and wears a blue uniform with white stripes. The background is split vertically, with a blue gradient on the left and a dark gray gradient on the right.