FURVERT!

2015 ambiguous_gender animal_genitalia anus aogami balls butt canid canine canis collaborative collaborative_fellatio collaborative_oral collaborative_sex collar domestic_dog erection fellatio feral genitals group group_sex knot knot_lick licking lying male mammal monochrome on_front one_eye_closed oral penile penis penis_lick quadruped raised_leg sex sheath signature standing threesome tongue tongue_out trio