1000 years ago, after the Great Imperial War, the hero killed the Demon Lord. However, it was actually a deal: the Demon Lord accepted to die at the hands of the hero, so that the people could have someone to blame for everything, while the hero assured that the empire remained stable. The two rival families of the hero and of the Demon Lord became the two archducal families, with the duty to protect the empire, both internally and externally.

Both the Demon Lord and the hero also made a secret deal: they would both reincarnate after a thousand years, and so they did. However, while the demon lord was now the heir of his old family, the Hero was different. He Reincarnated into a Collateral line of his family, in a vassal county, and... As a woman. The Hero had now Reincarnated into a woman, and not even in the main line of his family. For this reason, everyone thought that the Reincarnation of the Hero was her cousin and heir of the Archduchy. And since he was an arrogant Attention-seeker, he made everyone believe he was the real hero.

But now, the act couldn't last much longer. At 21 years old in fact, they reached their adult age. And with this, they could officially meet for the first time at court with all other nobles during a celebration at the Imperial Palace. And this meant that she would meet her former enemy, hoping that he would help her to reveal and confirm her true identity, since, even if they were originally enemies, they made a deal at the end of the war.

She took a carriage with her family's coat of arms on after dressing up for the feast, wearing one of those elegant dress she hated, and those high heels where she still felt uncomfortable to walk in. And after a long journey, she finally arrived In front of the huge royal palace, ready to get inside and start this... torture, as she defined it.