FURVERT!

5_toes animal_genitalia animal_penis anthro anus areola big_breasts blue_eyes breasts butt canine_genitalia canine_penis chain clitoris clothing cm_august collar duo echidna erect_nipples erection fan_character feet female genitals gloves handwear hanging_breasts hi_res imminent_sex knot male mammal monotreme nipples penis presenting presenting_anus presenting_hindquarters presenting_vulva rear_view sega soles sonic_the_hedgehog_(series)toes vein veiny_penis vulva zeta_the_echidna