Primitive Forest: I Survived in the Wilderness in the Age of Dinosaurs

What do men like most? "Primitive, dinosaurs, wilderness survival" But if the whole world comes to a place with these three things, how can it survive? The forest is full of dangers, and dinosaurs, carnivorous dragons, and herbivorous dragons are everywhere here. They are all former overlords, but in the face of the current overlord human beings, what kind of sparks will be produced when the two collide? Please tune in next for a large serial novel. Survival in the wilderness in the age of dinosaurs!