FURVERT!

4_toes absurd_res after_sex animal_genitalia animal_penis anthro anus ass_up backsack balls bdsm bodily_fluids body_writing bondage bound butt canid canine canine_genitalia canine_penis cum cum_in_ass cum_inside dipstick_tail erection feet fur gaping gaping_anus genital_fluids genitals heart_symbol hi_res knot looking_at_viewer looking_back male mammal markings messy multicolored_tail pawpads paws penis presenting presenting_anus presenting_hindquarters restraints skully solo spank_marks spreader_bar tail tail_markings toes writing_on_butt