rule 34 anal anal sex anthro anthro penetrated arm grab balls black and white blush bodily fluids cum duo erection eulipotyphlan first person view genital fluids genitals guide lines hand on cheek hedgehog human human on anthro human penetrating human penetrating anthro human pov interspecies knee grab looking at viewer male malemale male on anthro male on human male pov mammal monochrome penetration penile penile penetration penis randomguy999 sega sex simple background size difference smaller anthro sonic the hedgehog sonic the hedgehog series sweat tears white background 5107536