1girl, angel, anti-materiel rifle, anus, anzio ironworks 20mm rifle, armband, ass, ass focus, black hair, blue archive, blurry, blush, cleft of venus, depth of field, fingerless gloves, from behind, gloves, gun, halo, holding, long sleeves, looking at viewer, looking back, machimura komori, mashiro (blue archive), no panties, open mouth, pleated skirt, purple eyes, pussy, red armband, rifle, school uniform, skirt, sniper rifle, solo, uncensored, weapon, white background, wings