FURVERT!

anal anal_penetration anthro anus ape backsack balls butt conditional_dnp dipstick_tail duo erection erobos genitals gorilla haplorhine interspecies larger_male larger_penetrated larger_sub male male/male male_penetrated male_penetrating male_penetrating_male mammal markings multicolored_tail open_mouth penetration penis primate raised_tail roz_(erobos)sex size_difference smaller_male submissive tail tail_markings