Rule 34 Dev - 2017 4_toes anal ancient-onyx ass_up autoanal autopenetration backsack balls barefoot blue_fur fangs feet floor furry gloves green_eyes grimace hedgehog heels hyper_penis long_penis male_only mammal nude one_eye_closed penis raised_tail soles sonic_(series) sonic_the_hedgehog taint toe_scrunch toes|2758625136