FURVERT!

against_surface against_wall animal_genitalia animal_penis anthro backsack balls biped blue_body blue_fur blue_penis butt canid canine canine_genitalia canine_penis digital_media_(artwork)dipstick_tail erection faceless_character faceless_male fur genitals kellwolfik kneeling knot male mammal markings multicolored_body multicolored_fur multicolored_tail nude pawpads penis perineum pillow raised_tail shaded solo tail tail_markings two_tone_body two_tone_fur two_tone_tail white_body white_fur