Rule 34 Dev - 2boys anal anal_sex animal_genitalia animal_penis anus ass big_penis blush clothing duo echidna eulipotyphlan from_front_position gay gay_sex genitals gloves grin handwear hedgehog hi_res knuckles_the_echidna leg_grab looking_back lying male male/male male_focus male_only mammal missionary_position monochrome monotreme on_back one_eye_closed penetration penis sega sex smile somedivs sonic_(series) sonic_the_hedgehog sonic_the_hedgehog_(series) tail|12187088544