FURVERT!

3:4 alternate_version_at_source american_opossum animal_genitalia animal_penis anthro big_penis breasts canid canine canine_genitalia canine_penis chair_position claws duo erection excited female from_behind_position genitals hand_on_face hand_on_leg hand_on_thigh heart_eyes heart_symbol hi_res kallz knot looking_at_genitalia looking_at_penis male male/female mammal marsupial nipples on_lap penis sex sitting sitting_on_lap tongue tongue_out vein veiny_penis vulva