Kamishiro Iwako and Sakiko are twin sisters born with the powers of the gods. While Sakiko, the younger sister, was given the powers of Konohanasakuya-hime and is known as the most beautiful woman in the imperial capital, Iwako, the older sister, was given the powers of Iwanaga-hime and was covered in rocks from head to toe, making her ugly and known as a monster. Iwako is attracted to Saionji, a jeweler who is the only person who treats her kindly, but it is actually her younger sister, Sakiko, who has been chosen by him to marry. Meanwhile, Iwako is set to marry Kokumine Byakuran, a man known as the one cursed by the gods...!?