Rule 34 Dev - 2022 5_fingers alpha_channel animal_genitalia animal_penis anthro anthro_on_anthro asinus balls black_body black_hair black_mane black_tail blue_eyes bodily_fluids bound digital_media_(artwork) donkey draft_horse duo english_text equid equine equine_genitalia equine_penis eyebrows facial_markings feathering fingers friesian fur genitals green_eyes grey_body grey_hair grey_mane hair head_markings hi_res hooves horse legs_tied licking long_ears looking_at_another looking_down male mammal mane markings mat_(mbh98) nude oral penile penis penis_lick penis_size_difference saliva sex simple_background speech_bubble tail text tongue tongue_out yamatopawa|8406325240