Except Yin: from North to South

After his grandfather died, Lin Yixiu learned from his grandfather's notes that his grandfather wanted him to go south. On the way south, Lin Yixiu met his friends and learned the art of removing yin. Through various events of removing yin, he gradually learned why his grandfather would let him go south... Lin Yixiu learned from his grandfather's notes about the dangers of ghosts to people all over the world. Although he didn't know why his grandfather asked him to go south often, getting rid of the ghosts in the world became one of Lin Yixiu's motivations to go south. The setting of this book is two protagonists,