The story revolves around Negi Springfield, a 10-year-old prodigy who successfully completed his education and came from Britain to intern as an English teacher at the famous Mahora Academy in Japan. At a young age, the little genius lost his father and mother, and was raised by his older sister. However, Negi has a strange belief that his father is still alive. Negi-sensei's main desire is to become just like his parent Nagi, a great and powerful mage.