I Have Three S-Rank Powers in the Apocalypse!

The earth split open and the mountains crumbled, while the plants seemed to mourn. The once peaceful, bustling town was reduced to ruins in an instant, and a happy family once filled with laughter and joy was shattered in the blink of an eye. A child’s crying came from the rubble and debris of a bombed-out house. Following the sound, they found a three- or four-year-old boy sitting among the ruins. Bloodied corpses surrounded him, and he was spattered with blood himself. In the deserted streets, only his helpless cries could be heard. He must have thought that if he cried loud enough, his parents would wake up and come over to pick him up. But all he could see was a field of ruins...

Decisively unsaintly protagonist + one female lead + modern supernatural powers! A new author with a new book, working hard to improve!