Rule 34 Dev - anthro ball_fondling balls canine diphallia diphallism echidna english_text erection eye_contact fellatio foreskin fox fur furry hedgehog knuckles_the_echidna male male_only multi_penis multiple_males neokat no_humans nude oral oral_sex penis sega sex sonic_(series) tails text uncircumcised uncut vein veiny_penis yaoi|1649916656