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, he returned in military uniform and 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 watched her fall into the place of eternal destruction, where she would die and never be reincarnated.