Rule 34 Dev - 2016 animal_genitalia animal_penis anus ass balls claws colored comic daddy's_scent darkened_genitals dragon duo edit equine_penis erection father father_and_son feral feral_on_feral half-erect hi_res horsecock incest licking male narse oral parent penis penis_lick penis_tip scalie sex son tongue tongue_out vein yaoi|2244067152