Return from Doomsday: Stop My World-Destroying AI

The apocalypse has arrived, and the world has fallen! The culprit behind humanity's extinction is none other than the super AI 'Guixu' personally written by Lu Mingxiao. When the world is reduced to a wasteland, Lu Mingxiao dies with endless regret, only to unexpectedly be reborn before the AI's creation! Back in the city, nothing is set in stone! Armed with memories of the next ten years, he plans step by step, forcibly eliminating the world-destroying AI, defying fate, and tearing apart the despairing future! It is also this second chance that brings him to his destined Su Qingyao. In his past life, he was alone and guilty as the world perished; in this life, he reverses the course of destiny, protecting the peace of the world and ensuring her safety for a lifetime! — Description from novelcodex.org