1boy, 1girl, ace (arknights), animal ears, arknights, beard, blaze (arknights), cat ears, cowboy shot, crossed arms, ear protection, facial hair, greyscale, hairband, jacket, laughing, long hair, long sleeves, military, military uniform, monochrome, open clothes, open jacket, open mouth, shirt, simple background, sunglasses, uniform, upper body, utsuke, very long hair, weapon bag, white background