Rule 34 Dev - 2021 absurd_res all_fours anthro anthro_on_anthro anus ass backsack balls balls_on_face big_butt big_penis canid canine duo erection facesitting foreskin fox fur genitals grey_background gulonine hand_on_butt hi_res humanoid_genitalia humanoid_penis inkgelato looking_back lying male male/male mammal marten meme multi_tail mustelid musteline narrowed_eyes nude on_back open_mouth open_smile penis perineum sega signature simple_background smile sonic_(series) sonic_the_hedgehog_(series) spread_anus spreading tails teeth these_aren't_my_glasses tongue tongue_out tuft xoven|6125526504