Rule 34 Dev - 2013 anal anal_sex anthro ass avian balls big_balls bird dangling_testicles dialog english_text equine from_behind furry gay hair hindquarters horse hyper male male_only mane no_humans nude penetration pulsar pulsar_(character) red_hair red_skin selfcest sex sheath small_dom_big_sub square_crossover taur text vein|1585597464