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Due to the movement of the earth's crust, unprecedented earthquakes erupted across the planet. In the endless sea, an island was developed as a secret biological research base. Due to an earthquake, the entire island was destroyed, and a biological gene virus secretly studied in the base was leaked. The leakage of the genetic virus brought darkness to the entire planet. The end of the world is coming! ... In City No. 102, A young man inexplicably activated a system because of a habitual action. The end of the world breaks out and the system is accidentally activated. Is this the end of the world? No, this is a new stage!

Want to know how a 9-year-old can earn 200,000 a year? Want to know how elementary school students can make extra money? Do you want to know the secret of becoming a millionaire before graduating from junior high school? How much do you know about the secret of childhood sweethearts growing old together? Hey-hey! Hey hey hey! The train has started. Passengers who haven't boarded the train yet, please get on the train as soon as possible! ! !