Rule 34 Dev - 2boys anal_sex anatomically_correct anatomically_correct_penis animal_genitalia anthro anthro_on_feral anus army artist_request ass balls big_balls big_penis black_penis brown_fur brown_hair centaur color cum cum_in_ass cum_inside duo edit english_text equine erection feral flare forced forced_yaoi fur furry hair hooves horse horsecock internal interspecies klaus male male_only mammal mane multiple_boys one_page_comic outdoors penetration penis rape rough sex stallion sweat tail taur teeth testicles text thought thought_bubble trembling typo unknown_artist vein veiny_penis yaoi young zoophilia|1983911416