Rule 34 Dev - 2boys alternate_version_available anatomically_correct anatomically_correct_penis animal_genitalia anthro ass biceps big_penis big_testicles black_penis blue_penis bondage brown_fur brown_hair centaur color draft_horse dripping duo edit equine erection fantasy farm flare flared forced fur furry hair hooves horse horsecock horseplay huge_penis lube male male/male male_only mammal mane multiple_boys muscle nipples no_humans nude penis precum presenting_hindquarters puffy_anus quillu raised_tail rape red_hair spread_legs stable stallion tail taur testicle testicles tied tied_up toned vein veiny_penis yaoi|576055