Swifty Dance

She is the daughter of a merchant, who killed three husbands, and is called the Black Widow. He was the legitimate son of the late empress. All the women who married him died mysteriously, and they were called lonely stars descending to the earth. However, the two of them completed their marriage proposal and betrothed in one day, and became grasshoppers on a rope... Black Widow VS Lone Star, who can defeat the other first? !