Reliving the past with a twist (Naruto ff)

Konoha had fallen and with it all the other villages. Lives were lost and hope in winning was beginning to fall. In a last resort to peace, Sasuke used his rinnegan and sends Naruto to the past. Broken and tired from the war and death of his precious people, how will he hold on when he meets them again? Will he be able to change the future for the better?