Rule 34 Dev - abdominal_bulge all_the_way_through anal anal_penetration anal_threading animal_genitalia animal_penis anthro balls bladder_bulge canine_genitalia canine_penis genitals knot male male_penetrated penetration penis sex stretched_anus tail tentacle_in_penis tentacle_penetration tentacle_sex tentacles threaded_by_tentacle urethral urethral_penetration longblueclaw stoaty canid canine mammal mustelid musteline true_musteline weasel hi_res monochrome|17840091955