Shadow Monarch in DC - Chapter 29: Arthur & Supergirl VS Doomsday.

MC (female protagonist) dies in a plane crash and wakes up in the body of a beautiful but corrupt and lascivious prime minister in ancient times, Zhang Qinglian. As circumstances decree, he (she) cannot reveal that the original owner’s soul is gone else calamity might occur. So he (she) decides to walk a righteous path, determined to help the lovely but simple little emperor rule the country. Not backing down after facing torture, not losing courage, destroying rebellions and facing off with scheming princes.

- Description from Novelupdates

Struck down amid the battle, the Hero and Demon King meet their demise. As their souls linger on the edge of the afterlife, a mysterious force intervenes, merging their fragmented souls together with a new being. Rusty, the living armor, now affected by their memories and presence, embarks on his own quest. Will he seek revenge on those who betrayed the hero, or will he fulfill the desires of the fallen demon king? or instead, forge his own path?

Xu Xiang is a doomsday survivor who survived for forty years. Before she could fulfill her dream of becoming the overlord, she died.Opening her eyes, she returned to the fifteen years before the doomsday began. With the help of her family heirloom the dragon and phoenix ring, she hoards supplies and prepares to welcome the doomsday.Unfortunately, she was betrayed by her own family and died the night before the doomsday begins. With hatred in her heart, she swallowed the dragon and phoenix ring and jumped off the cliff.When she opened her eyes again, she was still alive, but arrived in a world that was plagued by endless wars and constant natural disasters. Although she's lucky enough to get another chance, she's unknowingly drawn into political turmoil where someone may be killed without knowing who the killer is.Can she survive in this ancient world that is more dangerous and full of hidden dangers than her own? Can she find the courage to trust someone else again? After two lifetimes, can she find her own happiness?

Noir, third son of a “beggar noble,” lost his job and was at a loss, but fortune struck just as he was contemplating becoming an adventurer.