The true story - HP+Naruto fanfic

The stars shone brightly, too brightly. They reminded him of who he had once been.
So many mistakes had been made and in the end, he had failed.
As he looked down at the angel in his arms he knew this was the only option.
Before leaving the boy he gave him a special book that would only open after his death. He hoped the boy would understand
As the years went by the boy went through many hardships.
But in the end, he defeated his greatest enemy.
And after all the years of hardship, he finally managed to open the book.

I hope you'll understand the cause of my actions
Y.U

Intrigued, the boy started reading.