FURVERT!

abs animal_genitalia animal_genitalia_on_humanoid animal_humanoid animal_penis areola balls blush blush_lines egg29991828 equid equid_humanoid equine equine_genitalia equine_humanoid equine_penis erection fingers genitals hair hi_res horse_humanoid humanoid letterbox male mammal mammal_humanoid monochrome navel nipples pecs penis solo tail vein veiny_penis