Invasion from Another World: I Have the Kingdom of Eden to Myself

In 20xx, countless gates to other worlds came to the earth, and endless monsters continued to emerge, ranging from behemoths as large as 100 meters to molecular organisms as small as human beings struggled to survive. Luo Xing, a young man who has been in and out of society, accidentally broke into the special world of Eden, received unique system assistance, defeated monsters and upgraded, gained extraordinary strength, became the pinnacle of mankind, and guarded the territory of the earth!