FURVERT!

1:1 2016 all_fours animal_genitalia animal_penis anthro anus backsack balls biped blue_body blue_fur blue_hair blue_sky blush border_collie butt canid canine canine_genitalia canine_penis canis cloud collie day digital_media_(artwork)domestic_dog erection fur genitals grass hair herding_dog knot looking_at_viewer looking_back male mammal nude open_mouth outside pastoral_dog pawpads paws penetration penis perineum plant presenting presenting_anus presenting_hindquarters raised_tail sheath sheepdog sky solo submissive tail tiercels wolf