FURVERT!

1:1 aeolius anthro anthro_on_anthro anus backsack balls balls_touching big_balls big_butt bovid bovine butt cattle duo equid equine faceless_character faceless_male feet frottage genitals green_background grinding hooves horn horse huge_balls male male/male mammal muscular muscular_male nude penile penises_touching perineum presenting puffy_anus raised_tail rear_view sex simple_background soles tail text underhoof url