Hashirama Senju didn't have two grandchildren. In this world, he had three. And I just had the luck to wake up in the body of one of them with only twenty years until the most bloody conflict in Ninja history would begin. Survive or die, those are my options.
A variant of Doctor Doom in a world where he never got to ascend to godhood receives the opportunity to try again; To be reborn. He wakes up in the body of a 14-year-old Harry Potter, as his name is read from the Goblet of Fire. Survive? Nay. Doom would thrive.