Wuming Department Store employee, whose real name is Tuoba Linghu.Yan Sifang was abandoned by his parents in a small village since he was a child, and grew up eating the food of hundreds of families. After waiting for a long time for his parents not to come back, he left in despair and learned a skill outside. He became a famous casting master, alchemist, and mechanism master in the world.Yan Sifang is smart, rational, alert and calm, but due to his childhood experience, he does not easily trust others and looks very cold.In order to find out the truth behind his parents' departure and the massacre of his hometown village, he came to Muyun City.