Rule 34 Dev - absurd_res anthro armpit_hair bed_sheet bedding bodily_fluids body_hair dakimakura_design echidna genitals hi_res knuckles_the_echidna looking_at_viewer male male_only mammal monotreme muscular musk penis pubes raised_arms red_body sega smashmat smile solo sonic_(series) sonic_the_hedgehog_(series) sweat|8014635472