The Speedrun Manual of Miss Witch - Chapter 28 - Girl Bank Caper (Part 2)

The Overlord, Kang Chul-In. The man who was so strong that he had to be defeated. Having lost, he must now go back in time to take up the challenge of becoming The Emperor in the Continent of Pangaea. Will Kang Chul-In be able to overcome the 9 other Overlords in order to grasp the Continent of Pangaea within his hands?

Liv Hamelsvoort, who bears the label of the ‘Fake Saintess’ and is the laughingstock of high society for her unrequited love for Duke Lartman. No one could understand her, but she likewise couldn’t understand them.“I’m in the middle of enduring the love of the gods.”There was a world that ordinary humans couldn’t dare to comprehend.“Who harmed my child?”“Does my child not exist in this world?”“I don’t need a world where the child I love doesn’t exist.”The moment the enormous things she had been bearing were revealed, Liv’s life finally began to change.“I will love you in any timeline, Your Grace.”Liv was content as long as she could continue loving. But if she wanted to protect that love, she had to change; the world was whispering that to her.

The unparalleled Demon King Ye Xuan, who was able to heal the death or the living alike and holder of the medicine Holy Scripture, was betrayed and killed by his fellow Demon Kings. But he reincarnated into the body of Ye Xuan, the prodigal son of the Ye family and vowed to himself that he would return to his peak and take back everything that belonged to him!

- Description from Novelupdates

An alien race invaded the Earth on June 6, 2128. At the midst of this war, many nations allied with the alien threat and the war nearly wiped out the rebelling humans of the planet. At the edge of mankind's survival, the United Nations Army launched its forces to eliminate the immediate stellar threats that loomed over Earth.

General Seeker Carlean, commander and leader of the mission, risked and gave his life to destroy the immediate stellar threat. The battle was won though Earth lay in ruins. Perhaps mankind will live to see a few years of peace before the alien threat returns to wipe out their existence.

At the immediate aftermath of the stellar battle, the fallen Seeker Carlean awakens and finds himself at aged 17, living the peaceful life he lived 16 years before he died.

So begins a new game in the battle for humanity's survival.