The Forbidden Sage, a man who has mastered the greatest taboos of magic, a man concerned only with his research. He has been imprisoned deep underground for the past decade due to the dangers of his magic. However, that is soon to change.

He has been given an opportunity. Take charge of a class in the Royal Magic Institute and show great success, and he will again be free to conduct his research. And so, with his identity hidden and his magic sealed, the Forbidden Sage becomes a teacher.