FURVERT!

absurd_res all_fours animal_genitalia animal_penis anthro anus balls butt canid canine canine_genitalia canine_penis canis collar crouching digital_media_(artwork)domestic_dog erection genitals hi_res knot looking_at_viewer looking_back looking_back_at_viewer male mammal nude openfracturesday penis presenting presenting_anus presenting_balls presenting_hindquarters raised_tail simple_background solo spread_legs spreading tail tail_aside