Instead of Naruto, the ninetails is sealed inside his twin brother Arashi by Kushina after she knocks out Minato. Minato survives and because of a prophecy given to him by the great toads Sage he ensures that Arashi is trained and gives him everything he can to succeed and become the strongest shinobi ever, all while ignoring Naruto. Naruto accidentally accesses a power long thought forgotten and makes a friend of the Keeper of the Crimson Vault.