FURVERT!

anthro bedding blanket blush cuddling deamterra duo echidna eulipotyphlan eyes_closed facial_markings forehead_markings head_markings hedgehog knuckles_the_echidna lying male male/male mammal markings monochrome monotreme muscular muscular_male on_side pillow sega shirtless sketch sleeping smile sonic_the_hedgehog sonic_the_hedgehog_(series)