1girl, ar-15, assault_rifle, bcm_mcmr, black_hair, black_jacket, dated, firing, formal, green_eyes, gun, hiroki_ree, holding, holding_gun, holding_weapon, jacket, long_sleeves, love_live!, love_live!_nijigasaki_high_school_idol_club, open_clothes, open_jacket, railing, rifle, shell_casing, signature, smoke, smoking_gun, solo, suit, takasaki_yuu, twintails, upper_body, v-shaped_eyebrows, weapon