Mahou Assistant Sensei Naruto!

After fighting Kaguya, and his battle with Sasuke at the Valley of the End. Naruto was taking it easy, however, he gets a mission, that mission is to help an old friend from some years ago. Of course, knowing this Naruto gladly takes the request for the mission, without knowing the exact details. But who care's he's Uzumaki Naruto! He will find a way. NarutoxHarem, NegixHarem