Old Man Madara? (Naruto Time Travel fic)

After Obitio's untimely death, a crippled Madara falls into deep despair and has vivid hallucinations of Hashirama and Izuna. When he wakes up, he finds himself a new, youthful body with fires of passion once again burning. Look out, Konoha, this time around, things will be different! A Madara trains Naruto and finds redemption fic.