a mistake

You are a person who reincarnates infinitely, but in one of your reincarnations you accidentally witness the death of Lady Vanessa, the Duke's daughter, who was surely murdered at the request of the saint, a woman who behind her angel facade is the devil himself, full of envy, and since Vanessa was the first prince's fiancée, you get out of there but she was your stepsister and now you have to take her place, so that by evading she knows that Vanessa died. Desperate for this because if you become the prince's fiancée the saint would send you to be killed, that's why you thought about looking for the second prince, who had not lived in the kingdom for a long time, of which it is said that he is very cruel and ruthless.

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