FURVERT!

anthro balls big_muscles big_pecs big_penis disney duo extended_legs foreskin genitals grabbing_both_ankles grabbing_both_legs grabbing_both_thighs grabbing_raised_legs hands_on_ankles hands_on_legs hands_on_thighs holding_partner horn huge_penis human human_on_anthro humanoid_genitalia humanoid_penis interspecies kim_possible larger_anthro legs_up male male/male mammal matainfancias musclegut muscular muscular_anthro muscular_human muscular_male navel nipples nude on_top on_top_of pecs penis rhinoceros sitting_on_penis size_difference smaller_human steve_barkin