I Have a Mansion in the Post-Apocalyptic World

After a devastating nuclear war reduces civilization to ruins, Jiang Chen finds himself thrust into a desolate post-apocalyptic world where survival is a daily struggle. Amidst the widespread destruction and chaos, he refuses to succumb to despair. Taking on the role of a leader, Jiang Chen gathers scattered refugees and guides them toward safety, ultimately establishing a fortified base that evolves into a structured federation. Through sheer determination, he builds a sanctuary capable of withstanding the harsh realities of this ruined era. Leveraging his unique ability to travel between dimensions, Jiang Chen transports advanced technology from the wasteland back to his original, uncorrupted world. This unprecedented exchange of knowledge allows him to fundamentally reshape Earth's political landscape. When humanity faces a critical turning point, he steps forward to rescue the world from the brink of collapse, uniting nations under the banner of the newly formed Great Union of Earth Federation. Yet, peace remains fragile. As the unified Earth expands its territory and strengthens its influence, an unforeseen menace emerges from beyond the atmosphere. Jiang Chen must now lead humanity in a desperate fight against a looming extraterrestrial threat descending from the sky, ensuring that the civilization he fought so hard to rebuild will endure.