I Have a Mansion In The Post-Apocalyptic World

Jiang Chen finds himself transported into a post-apocalyptic world devastated by nuclear war. Amidst the chaos and ruins, he takes charge, leading a group of survivors to establish a secure base and eventually forming a federation. With advanced technology from this ravaged world, he returns to his original reality, determined to reshape Earth’s political landscape. As crises loom, he steps in to save the world, uniting nations under the banner of the Earth Federation. His ambitions don’t stop there—he expands humanity’s reach beyond Earth, preparing to face threats from the cosmos.