Rule 34 Dev - 1boy 2024 abs after_masturbation after_orgasm ai_generated animal_genitalia anthro avaru bed brown_body brown_fur cum equid equine equine_genitalia equine_penis fur genitals horse horse_penis horsecock humanoid male male_focus male_only mammal muscular muscular_male navel nipples nude penis solo tagme|12779624416