If the flowers of the underworld bloom by the Santu River ninety-nine and eighty-one times, the unintentional master of the underworld will perish.
Ming Yuan, I will never meet you again.
Serious: To put it simply, it is a sad and bloody story about an omnipotent person who falls in love with someone who loves him but recognizes the wrong person, and then the two abuse each other again and again, and finally end up together.
One day, a certain Lord of the Underworld was plotted by the Lord of the Demon World, turned into a fox, and was thrown out. Then he met a child and saved him... In the end, that's all...