Ninja Skills Save the World

The protagonist who traveled to the world of Naruto died at the hands of Uchiha Madara in the final ninja war. Then he inexplicably traveled to a different world and started a third life. And the world he came to was a fantasy world with the mysterious power of magic. The male protagonist who received his third life - Leo Blitzschlager, walked out of the forest after turning sixteen and went to the Royal Academy of the Kingdom of Leitlinger to study magic. In the academy, Leo met like-minded friends and discovered the black hand that threatened the world...