Naruto Emiya

Saved from freezing to death at the age of five, Naruto is dumped on to the lap of a new father, Kiritsugu Emiya the Magus Killer. The Einzbern family takes him in to be Illya's dagger in the next Grail War. Too bad his teacher Zelretch has other plans for him. Now he has to survive the Fifth Grail War, returning to his home and find a suitable wife before Acht strangles him!