FURVERT!

1:1 2012 2013 absurd_res all_fours animal_genitalia animal_penis anthro anus artik_ninetails backsack balls butt canid canine canine_genitalia canine_penis ear_piercing erection genitals hi_res knot looking_at_viewer looking_back male mammal monochrome nateday penis piercing presenting presenting_hindquarters raised_tail rear_view simple_background sketch smile solo tail white_background