FURVERT!

absurd_res alien alien_genitalia anus beak bestiality blackmesajoe_(artist)blue_anus blue_penis blush bodily_fluids butt butt_grab canyon clothing cum cum_in_ass cum_inside cumshot duo ejaculation erection fence feral first_person_view genital_fluids genitals gordon_freeman half-life hand_on_butt happy heart_symbol hi_res houndeye human human_on_feral humanoid_genitalia humanoid_penis interspecies knot male male/male male_on_feral mammal orgasm outside penis precum puffy_anus saliva sex spread_anus spreading tapering_penis valve valve_corporation xenophilia