Rule 34 Dev - anal anal_sex animal_genitalia anthro back backsack balls bed biceps black_fur black_nose black_pawpads blue_eyes blue_fur blue_hair blue_penis blush canine canine_penis captain_otter claws closed_eyes cum cum_in_ass cum_inside duo erection excessive_cum fangs fur hair holding inflation kneeling knot knotting leaking lying male mammal markings muscles mustelid nude on_back on_side one_eye_closed open_mouth otter pawpads paws pecs penetration penis pink_fur sex shadeokami size_difference teeth toe_claws toned tongue tongue_out white_fur white_hair wolf yaoi yellow_eyes|1973142808