The end of the world came in 3773 AD. When Wu Li took space to search for supplies, she was accidentally blasted to the ancient era. When she introduced her name, she was misunderstood as a witch. So Wu Li's new identity in ancient times was born, and she also began her career as a magician, leading a group of primitive people to start a new era in this prosperous new era. (I admit I can't write an introduction, so go away.)