Rule 34 Dev - 2017 alternate_version_available anthro anus ass balls bear bent_over big_butt brown_fur cathricorn erection fur grey_background grizzly_bear humanoid_penis kneeling male male_only mammal muscular nude overweight partially_retracted_foreskin penis pose presenting presenting_hindquarters pubes rear_view signature simple_background solo standing thick_thighs uncut|2801607272