Cana the chosen one

Cana live a life of luxury however despite being the crown princess, senior mentor and a last member of Versailles. She was criticized by many, because of her bad reputation, it became worse than before.

With just a one mistake, she was sentence to death by everyone who wish for her to di3d. She had broken the golden rule of the continent that it aroused confusion to everyone, why did she do such thing when barely anyone does it?

However it seems cana was actually frame by those who hated her, it's understandable why they hated her but should they know the full story first before they decide her fate? due to a lot of misunderstanding, cana found herself in a unpredictable situation.

Cana wants to get her revenge to those people who wronged her and the mysterious death of all her family members, but currently she was in the brink of her death with an axe on her neck and tied with a rope infront of everyone who keep shouting for her painful death in which is not advantage to her.

it's a miracle that someone help her however it's too late when the axe have cross path to her neck making her neck fall apart from the rest of her body.

The unknown being who help her seems strange, what is the being intentions for helping cana out?

The unknown being asked. "what do you wish for?"
And cana answer in response. "Revenge..., that's why I want to go back to the day I regret the most"

The unknown being indeed help cana go back the day where she regret the most, the day she hope didn't happen. And yes, the unknown being send her back to the day cana wish for but its not the same era anymore. it's a different past era where the Versailles family became to what it became in the future.

What mystery is hidden beneath the Versailles family and Why did they tragically was destroyed by an unknown forces? What is the unknown being purpose for helping cana, is it out of a goodwill or a bad intended?