Rule 34 Dev - all_fours anal anal_sex anthro ass ass_grab barefoot blush darkling doggy_style drooling duo eclipse_the_darkling erection evil_face from_behind_position grabbing_sheets greyscale grin half-closed_eyes hand_on_ass hedgehog humanoid_penis line_art male mammal monochrome nude open_mouth penetration penis precum saliva sex shadow_the_hedgehog signature soina sonic_(series) sweat yaoi|2332406656