Rule34https://rule34.xxx/index.php?page=atom&tags=2017 ambiguous gender animal genitalia animal penis brother brother and sister cutie mark duo english text equine equine penis erection feral friendship is magic hair heart horn horse horsecock incest mammal multicolored hair my little pony oral penis pony rule 63 sex shining armor (mlp) sibling sister text tongue tongue out twilight sparkle (mlp) twiren two tone hair unicorn2024-05-05T09:04:18ZRule34