Rule 34 Dev - <3 acxell animal_genitalia animal_penis anthro anthro_on_feral anus ball_size_difference balls beastiality big_balls big_penis blue_balls blue_body blush bodily_fluids butt canine_penis carpetwurm comparing comparing_penis duo eeveelution erection fan_character feral genital_fluids genitals hi_res imminent_anal imminent_sex knot lucario male male/male nude original_character penis penis_size_difference pokémon_(species) pokemon precum shaking shivering signature simple_background size_difference smile spread_legs spreading sweat sweaty_balls sweaty_genitalia throbbing umbreon vein|924867