Once he traveled back in time, Don Juan discovered that he had traveled to a time fifteen thousand years after the great cataclysm, and discovered that this was a world where everyone was suffering from chuunibyou.
Before the Cataclysm, mankind had a myth revival movement, which refers to the restoration of myths to reality through scientific and technological means.
Here, you can see the nerve pipeline emerging from the back of the head tied into a bun, the whole body has been mechanized, and the Taoist priest wearing a Taoist robe and chanting: "Tai Shang Turing Tianzun" bows to you.
You can also see groups of mechanical ascetics chanting the Cyber Buddhism and measuring the earth on foot.
Qi training, foundation building, out-of-body, Nascent Soul, spirit transformation, Mahayana, and Tao.
Technology all relies on archaeological ancient ruins.
Then Don Juan discovered that his ID number actually gave him the highest authority to open ancient ruins...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
To be honest, I looked quite interested.