Rumor has it that Emperor Qin sent people to search for the secret of immortality. After finding it, he did not reveal the secret. Instead, he killed all those responsible for the search. Not long after, he himself died in the Sand Dune Palace.
After that, the mystery of immortality was sealed again until it was discovered by a group of tomb robbers two thousand years later, and the secret was related to a black cat.
Our story begins with an old cat in my family...
