Fairy Tail Z: Fukkatsu no END

What happen if Mavis and Wendy were demons from The Book of the END? And what would happen if Natsu opened a strange book that Igneel hiding inside of his nest? Rewrite of "Fairy Tail Zero: The Story of the END". Featuring E.N.D Natsu x Harem [Mavis, Wendy, two undecided]. You can vote them in my profile!