FURVERT!

absurd_res animal_genitalia animal_penis anthro balls big_balls big_penis biped black_sclera equid equine equine_genitalia equine_penis genitals heterochromia hi_res hooves horn male male_anthro mammal masturbation mbt medial_ring mythological_creature mythological_equine mythology penile penile_masturbation penis pubes skinny solo tauscher unguligrade unicorn vein veiny_penis