One sentence version:
A story in which a girl with an incomplete soul goes on adventures in different worlds to retrieve her memory, and at the same time retrieves the rest of her soul and finally saves the world?
Literary version:
This is the place of reincarnation in the underworld, where all souls return. Joy, anger, sorrow, fear, love, evil, and desire are all washed away in the rolling underworld. They come here covered in dust and leave without desires or thoughts. There are no so-called gods and demons, only the eternal black silence..."
Serious version:
According to ancient legend, chaos was first divided and the five elements were in chaos.
A powerful person divided it into five parts and rotated them around an axis. The axis was a sea, which was called Wuya.
Later, it was said that there was a turtle in Wuya, carrying a stele on his back. The stele was a meritorious deed, which calmed the mountains and seas.
There are also three thousand worlds formed into one device, called Qianji, which divides Yin and Yang and determines the universe.
Later, it was said that Tao gave birth to one, one gave birth to two, two gave birth to three, three gave birth to all things, and ninety-nine returned to the original state.