Gu Anshi has never been a good person
As a medical practitioner, his hands were stained with blood and he destroyed the entire Gu family
But even so, when the devil finally destroyed the world, it was he who was responsible for destroying that devil.
When his eyes were dim, he vaguely saw that the demon seemed like an old friend.
Opening his eyes again, Gu Anshi returned to 20 years ago
Intention: I don't know