Silent Witch - Chapter Volume 4 5: Under the Surface Warfare

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move:

Lucas was the last human in the universe.A cosmic-scale war had consumed humanity in massive destruction. As collateral damage, there were no longer any habitable planets. Lucas Alhamera, a scientist, attempted to terraform a planet resembling Earth called Antroseda but continuously failed.Overwhelmed by despair and the crushing weight of loneliness, Lucas attempted to end his own life using a euthanasia capsule. However, just before his life could be taken, he was abruptly awakened by a notification.[As the last of the dominant species, you have been chosen as the new Overseer of this universe.][The cycle of life must continue to preserve balance.][Select planet as the birthplace of the new species (default)][Select another planet...]With the Overseer System he had obtained, Lucas began what he had failed to do for hundreds of years: reviving a dead planet and creating a new race to succeed humanity.

”On the bed.“ My new master, the Alpha of Drogomor, commanded.I walked toward the bed, naked, ashamed, and full of tears.I was about to lose my virginity, but it meant nothing to the man who was going to take it.***I am Rosalie, 20 years old, sold to the most terrifying alpha by my own father.”You're nothing to me but a breeder.“ he said to me cruelly.I had long known that my love for him was hopeless and foolish. However, I was naïve to think that was the end of the story.Once the baby is born, I will be put to death.***People thought I was dead, but I survived.”It's you!“ He grabbed my hand, and his eyes were filled with emotions I couldn't understand. ”Come back to me, Rosalie.“”Sorry.“ I calmly looked back at him, ”but I think you've got the wrong person.“