Reich:Zero - Starting Life in Another Army

Kagura Barusu, an ordinary high school student, is on his way home from the convenience store when he finds himself transported to the past. As he's lost and confused in a new environment where he doesn't even know left from right, he looks in the mirror only to face a shocking revelation. He is Adolf Hitler. Determined to make it back home, he learns that he must win World War 2 to return to his original self.