Chen Xi was in an inexplicable car accident, and her unexpected amnesia caused her to jump out of the situation and look back at the past...
The younger sister is not the younger sister, and the older sister is not the older sister. There is a link connecting parallel time and space in this world.
As an amnesiac, Chen Xi returns to parallel time and space to find the secret of serial number 18.
Purpose: Let's finish all the monsters, ghosts, and snakes!