What of Kakashi turns into a Dog? What if he found out about Naruto life?

After accomplishing to bring back Sasuke, Naruto returned to the village, both of them almost on the verge of death, after his battle with the Uchiha. Sakura angry that he brought back Sasuke hurt, punches him in the gut and calls him a demon like the rest of the village does. Naruto was put in the hospital for almost two days but is soon visited by a man mysterious man in a mask who had come to offer him a deal... A deal that could change his life... DISCLAIMER: THE STORY STARTS OFF A BIT LIKE A SASUHINA, BUT TRUST ME, SASUHINA WILL NOT HAPPEN IN THIS BOOK I ABSOLUTELY PROMISE, DISCLAIMER 2: It is still unconfirmed if i will make this turn out as a narusaku ship in the end, so far i doubt it will turn that way but i'll put more thought into it DISCLAIMER 3: (I DO NOT OWN THE CHARACTERS)