In the grand narrative of reincarnation and destruction, it tells the story of two incomplete lives redeeming each other, and explores the true meaning of "existence" - not the inheritance of immortality, but the warmth of the momentary exchange.
There is no outline. You can jump to whatever comes to mind. Basically, each chapter is a separate scene and plot. The whole text is not coherent. If you don't mind, don't read it.