Rule 34 Dev - anal anal_sex anthro aoru arms_behind_back balls bleeding blood canine castration claws clippers closed_eyes cock_and_ball_torture couple elastration english_text equine erection eunuch feeding forced furry furry_only gay glans hindpaw holding horse humanoid_penis male mammal monochrome nipples no_humans nude open_mouth paws penetration penis plain_background reverse_cowgirl_position sex sitting spread_legs spreading swallowing text thighs vein|1698842432