Rule 34 Dev - 5_fingers all_fours anal anal_fingering anthro balls blush bodily_fluids canid canine clothing cross-eyed dipstick_tail duo echidna erection eyewear fellatio fingering fingers footwear fox genitals gloves goggles half-closed_eyes handwear hi_res knuckles_the_echidna looking_pleasured male male/male mammal markings martyjade23 monotreme multi_tail muscular muscular_male narrowed_eyes open_mouth open_smile oral penile penis saliva saliva_on_penis sega sex shoes sitting smile sonic_(series) sonic_boom sonic_the_hedgehog_(series) spread_legs spreading sweat tail tail_markings tails|8291029744