Rule 34 Dev - 2002 2boys anal anal_sex animal_penis anthro anthro_on_anthro artist_name balls ballsack bathtub bear bear_ears bear_wash body_fur brown_bear brown_fur cheek_tuft chest_tuft claws closed_eyes cowgirl_position duo ear_tuft erection father_and_son father_bear feral feral_on_feral furry furry_balls furry_only gay incest little_bear male male_only mouth_open muscles muscular_male no_humans nude_male on_back open_mouth penetration penis scrotum sex sharp_teeth sheath size_difference small_penis smooth_penis testicles the_werewolf two_tone_fur ursid|340628952