FURVERT!

1:1 anal animal_genitalia animal_penis anthro anus anz1el bodily_fluids canine_genitalia canine_penis colored domestic_ferret duo equid equine equine_genitalia equine_penis genital_fluids genitals hi_res horn knot male male/male mammal mustelid musteline mythological_creature mythological_equine mythology oral penis precum puffy_anus rimming sex size_difference sketch smaller_male tori_(anz1el)true_musteline unicorn weasel