There are many people in the world who are resentful and unwilling to die. As long as their desire to return to the world is strong enough, they will get the chance to return to the world.
Infinite decryption reaches the condition of passing through the black hole, clearing the memory and returning to 18 years old to live a lifetime.
Xu Yan and Bai Liuzhi are the bosses among the bosses, and they returned to the world through the black hole unimpeded.
Intention: Just write it casually.