2girls, aiming, anti-materiel_rifle, barrett_m82, bipod, black_eyes, black_hair, clipboard, ear_protection, gun, lying, multiple_girls, panties, pantyshot, rifle, school_uniform, scope, serafuku, shade, shadow, shell_casing, shoes, short_hair, sitting, skirt, smoke, smoking_gun, sneakers, sniper_rifle, sunlight, tripod, underwear, weapon, writing