Build the Mountain, Leave the Eyes Unpainted

Zhou Yan spent four years doing 3D modeling in Nanchang. The day he lost his job and returned home, his grandfather's mask shop was waiting for him to take over. All that remained in the shop was an unfinished Kai Shan mask: red hair, crimson brows, glaring eyes, and empty sockets. His grandfather had passed down three rules, and Zhou Yan had known them by heart since childhood. The rules came from his great-grandfather, but it was his grandfather who passed them on: