Uchiha Daisuke wakes up, suddenly finding himself in a new body. As it turns out, he was reincarnated into the Elemental Nations, a world rife with conflict, anguish and hatred. Born into one of the most important periods of this world's history, how will he use his foreknowledge to survive? With enough luck, maybe he can make a difference. SI/OC as an Uchiha without smut or crack