Traveling Through the Apocalypse, I Activate the Red Alert Base System

[Travel between two realms] + [Infrastructure farming] + [Decisive killing] + [No Holy Mother] + [No power] + [Multiple women] In the parallel world Blue Star Calendar in 2055, a meteorite drifting from distant deep space fell into the Blue Star. The meteorite releases an unknown virus. Later, the people of Blue Star named this unknown virus from the universe [Destruction]. The African continent fell in June 2056 of the Blue Star Calendar, and no one survived. In July 2056 of the Blue Star Calendar, the entire territory of Bharat fell, and no one survived. In August 2056 of the Blue Star Calendar, the entire continental region of the European Union fell, and the European Union retreated to the British Isles. In September 2056 of the Blue Star Calendar, the entire northern part of Greater China fell, and China retreated to the south. In October 2056 of the Blue Star Calendar, all land in the Americas fell, and American countries retreated to Greenland. In November 2056 of the Blue Star Calendar, the southern land of the Rakshasa Kingdom fell, and the Rakshasa Kingdom retreated to the North Pole. In December 2056 of the Blue Star Calendar, the entire mainland of Greater China fell, and China retreated to Taiwan Island and the South China Sea Island. Since then, the Blue Star land has been lost, and human beings, the former overlords of the earth, can only survive on the islands. ... Ian Malcolm said in the movie "Jurassic Park": "Life finds a way." In the year 2024 of the earth's calendar, Su Yang on earth traveled to this apocalyptic world that was very similar to the earth and activated the red alert base system.