The Rebirth of the Stunningly Beautiful Empress

She was the crown prince appointed by the emperor, but she made a mistake and was used and assassinated by her sweetheart; she was the legitimate daughter of the general who protected the country, but her concubine took her husband away from her on their wedding night, destroying her innocence; she was a leading mercenary in the 21st century, but was betrayed by the organization and died in a sea of fire... Once he was reborn and returned in military uniform, he devoted everything he had to help him become emperor. Unexpectedly, at the critical moment of life and death, he had a beautiful woman in his arms, and saw with his own eyes that she fell into the place of eternal destruction, dying and never being reincarnated. In this way, she would seize his kingdom and destroy his throne with her own hands...