Rule 34 Dev - 2boys animal_genitalia animal_penis animal_urethral_insertion bestiality digit_ring docking duo equid equine equine_penis erection feral feral_penetrated gay genitals hi_res horse human human_on_feral human_on_male human_penetrating human_penetrating_feral humanoid_genitalia humanoid_penis interspecies jewelry male male/male male_only mammal married_to_feral penetration penile penile_penetration penis penis_in_penis penis_size_difference ring sex thetaintedta urethral urethral_insertion urethral_penetration wedding wedding_ceremony wedding_ring yaoi zoophilia|4693159304