against_natural_surface against_surface against_tree anal anal_penetration anthro ball_size_difference balls big_balls big_penis blush bodily_fluids brown_body duo erection forest from_front_position genitals humanoid_genitalia humanoid_penis male male/male obscured_eyes penetration penis penis_size_difference plant sex size_difference standing standing_sex thick_penis tree white_body unknown_director canid canine lagomorph leporid mammal rabbit were werecanid werecanine