FURVERT!

absurd_res animal_genitalia animal_penis anthro anus backsack balls blush butt canid canine canine_genitalia canine_penis canis conditional_dnp digital_media_(artwork)domestic_dog erection fluffy fluffy_tail fur genitals hi_res knot leaning leaning_forward looking_at_genitalia looking_at_penis looking_at_viewer looking_back male mammal monochrome nude paws penis presenting presenting_anus presenting_hindquarters sheath short_tail simple_background sitting smile solo spread_anus spread_butt spreading tail voidpastelchalk