Not scary.
Nine Yin Ming Coffin is a supernatural thriller novel with excellent plot and writing. The author is Miao Jiuye. Jiuyin Mingcoffin mainly tells the story of the protagonist, who is destined to commit a crime, and his grandfather finds a girl named Xinyao to help him change his life. Xinyao is a little girl who helps the hero, not a ghost. Story published in 2016.