1girl, breasts, buster_maiden_(kuruton486), cowboy_shot, greyscale, gun, holding, holding_gun, holding_weapon, humanoid_robot, ink_(medium), kuruton486, looking_ahead, medium_breasts, monochrome, open_hand, original, photo_(medium), robot, science_fiction, solo, standing, standing_on_one_leg, traditional_media, weapon, white_background