Dramatic Changes, the Earth Enters the Jurassic Period

It was originally an ordinary comet that brought meteor showers, but it brought earth-shaking changes to the earth. The huge magnetic minerals carried by the comet changed the distribution of the earth's magnetic field, destroyed the magnetic field stability of the parallel universe, and brought human society into line with the society of Jurassic dinosaurs. The male protagonist is a small gangster. How can he survive among dinosaurs surrounded by dangers and predators? What kind of adventures will he have? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.