FURVERT!

anthro anus backsack balls biped blue_border blue_eyes blue_hair blue_markings blue_penis blue_tongue border butt canid canine canis digital_media_(artwork)erection genitals hair inviting looking_at_viewer looking_through looking_through_legs male mammal markings nude penis presenting presenting_hindquarters solo tail tail_motion tailwag tibolf tongue upside_down white_balls wolf zambuka