FURVERT!

1ceberg absurd_res animal_genitalia animal_penis anthro anthro_on_anthro backsack balls big_penis blonde_hair butt dominant duo equid equine equine_genitalia equine_penis erection genitals hair hand_on_hip hi_res hooves horse kaspar_(1ceberg)larger_male male male/male mammal muscular muscular_male navel nipples nude pecs penis presenting presenting_hindquarters raised_tail red_hair size_difference smaller_male standing stripes tail tail_grab york zebra