granblue fantasy, shingeki no bahamut, cerberus (shingeki no bahamut), 4:3 aspect ratio, 1girl, animal ears, ass, ass up, bare shoulders, bed, fang, female, from behind, gauntlets, hand puppet, high heels, long hair, looking at viewer, looking back, on bed, osakanakuwaeta, pantsu, puppet, red eyes, red hair, red legwear, red panties, red thighhighs, shoes, smile, solo, tied hair, top-down bottom-up, twintails, underwear, ケルベロス(神撃のバハムート)