Naruto: Mercy of the Shinigami

On the night of the Kyuubi attack, the Shinigami chose to take mercy on a newborn Naruto. The Shinigami allowed Kushina Uzumaki to remain among the world of the living. As a result, Naruto and his sister Naruko grew up not only knowing the love of their mother, but they also grew up being loved by their village. How will all of this change things? AU/slight OOC NaruHarem