Rule 34 Dev - 1boy 1girl animal_ears bow bowtie breasts detached_collar fang fellatio greyscale hair_ornament hairclip hetero highres leotard licking licking_penis medium_breasts monochrome oral original paizuri penis playboy_bunny rabbit_ears short_hair simple_background skin_fang tongue tongue_out ushio_kiyoshi white_background|22543694199