The Spirit Coffin

At first, I thought my grandfather was just a coffin maker skilled in feng shui. But after something happened when I was eighteen, I learned that he was the renowned Ghost Hand of Qingcheng. That revelation led me to uncover one secret after another: a blood-red coffin in a well, a mother-and-child coffin beneath the city moat, a Azure Dragon coffin in an ancient town... I also took on another identity: a spirit guide...