FURVERT!

2000 anal anal_fingering anthro archived_source balls biped bodily_fluids chris_goodwin duo equid equine fingering fingering_partner flaccid foreskin genital_fluids genitals graph_paper hooves horse hug hugging_another humanoid_genitalia humanoid_penis larger_male male mammal monochrome partially_retracted_foreskin penis precum sex size_difference sketch smaller_male tail