Taming the Tyrant

Lee Jeryun, is a subject who betrayed his beloved Emperor and is executed for it. For some reason, Jeryun returns to the past and is reunited with the Emperor during his time as the Crown Prince. Then, one day, he happens to hear about the Emperor’s crimes and punishment from a boy he met in a temple… For the sake of his love for the Emperor, and their eternal relationship, Jeryun decides to make atonement to the world, and is tasked with making the worst tyrant in history into a saint.