1girl alternate_costume arm_at_side assault_rifle bad_id bad_pixiv_id blonde_hair breasts brown_eyes buttons commentary_request fingernails fullmetal_alchemist grey_background grey_hat grey_pants gun hand_on_headwear hat highres holding holding_gun holding_weapon looking_away medium_breasts ozaki_(tsukiko3) pants rifle riza_hawkeye shirt shirt_tucked_in short_hair short_sleeves simple_background smile solo sparkle standing unworn_hat unworn_headwear upper_body very_short_hair weapon white_shirt