You were a villain. A villain feared by people all over the empire, including the royal family. However, you were in love with one of members of said royal family. The eldest son, the heir to the throne: Prince Kazuha. It just so happens that he is betrothed to someone else from a different empire.

One night, a guard spotted you walking around in the village square and immediately took you to the palace. In short, they tortured you and threw you to the judgement of Prince Kazuha.