Don't Let Me Freeze. - A Gratsu Fanfiction

Gray has always been bitter, and secluded. Natsu is friendly, as long as you don't piss him off. Gray's ice magic is simply something he was taught. But an even colder thing, hate, may be taking him over. Will Natsu be able to stop him from freezing? Or will he loose his friend, and possibly lover, to a dark abyss?