Alliance of two worlds

Three mouths after the Fourth Great Ninja War Naruto and Sakura are sent on a mission to Hogwarts School of Witchcraft and Wizardry. The mission is to find out if they are a danger to the Hidden Leaf. There they meet Albus Dumbledore and certain events lead to a War between Voldemort and the Ninja and Wizards. Post 699 5th year