anthro anus back_muscles balls bdsm big_butt butt butt_focus collar fur genitals hair harness looking_at_viewer looking_back looking_back_at_viewer male muscular muscular_anthro muscular_male pink_anus presenting presenting_hindquarters puffy_anus rear_view solo solo_focus tan_body tan_fur thick_thighs wide_hips canid canine canis humanoid mammal were werecanid werecanine werewolf wolf