The Legendary yonnin of konoha(Dropped)

This the story of an orphan who at his third birthday misteriously gain knowledge an experience of the ninja life from nowhere ! Chakra control ? perfect . Kekkai genkai ? check . Ninjutsu ? check. This is the story of an orphan named Zao who gets adopted as the brother of tsunade-chan who just lost everything and her family , both having 3 years old get found by a old man in white and red clothes with a red hat ! giving them a house and monthly money to make a living .