FURVERT!

2012 anatomically_correct animal_genitalia animal_penis anus balls canid canine canine_genitalia canine_penis collaborative collaborative_fellatio collaborative_oral collaborative_sex digitigrade erection fellatio female feral fox genitals group group_sex kesh_(ruki)knot licking lying male male/female mammal monochrome on_side oral penile penis penis_lick quadruped rukifox sex sketch tail threesome tongue tongue_out trio vulva