The Unlucky Consort's Dance

She was a merchant's daughter who had outlived three husbands, earning the nickname Black Widow. He was the legitimate son of the late empress, and every woman who married him had met a mysterious death. People called him the Star of Misfortune. Yet in a single day, the two had their engagement arranged, exchanged betrothal gifts, and married, becoming partners in the same boat... Black Widow versus the Star of Misfortune: which of them would bring about the other's death first?!