I Open Blind Boxes in the Future World

He was an ordinary high school student until he was unexpectedly chosen to travel to the 31st century. But it wasn't the future he had imagined: there was no advanced technology, no incredible machines or robots, and no starships. There was only an endless primeval forest and all kinds of bizarre creatures. Some force had brought human civilization to a standstill, erasing every trace of it. The human survivors seemed to have returned to the time when their ancestors first appeared. In this perilous world, the protagonist and his companions take on the task of rebuilding human civilization.