Everyone knows that the Tang Dynasty was prosperous and envied the prosperity of Chang'an, but they don't know that there are countless strange things hidden under the fireworks of the prosperous Tang Dynasty, which also lead to the true meaning of joys and sorrows in the world. A story about a Japanese onmyoji whose real life experience is a mystery, and who joins hands with a young Taoist nun from Tang Dynasty to catch monsters. One volume represents one emotion in the world, and several stories in each volume slowly reveal the story of the prosperous Tang Dynasty.