Rule 34 Dev - anal anthro anus ass autofellatio balls bound coolblue cum cum_in_mouth cum_in_self cum_inside dildo echidna exposed_torso fellatio footwear fur handwear knuckles_the_echidna male male_only mammal monotreme multiple_males oral penis rotor_the_walrus sex_toy sonic_(series) vector_the_crocodile yaoi|2163151360