Ryumiou lived a comfortable life as a daughter of the Ryu clan, a consort kin of the imperial family of the country of Yo. And when she was sixteen, her marriage to the Emperor Yayoi, Yukimine Shiba, was decided. Yukimine was the first person in love with Miho, who was in love with him. On the day when the emperor and the empress spend their first night, Miho, who was waiting in the bedroom, was handed over something from the late snow peak. It is ... the head of an aunt who was called a cruel and outrageous rare villain. And he said to her: "I will dethrone you. After that, I will be sentenced to death." Miho was convicted of a political change that took place on the night of her wedding, and was taken to prison as a grudge against all the people of the world. However--! ?? Ten years have passed since then, and Miho was living in captivity at the palace ... in the same appearance as when she was sixteen. Meanwhile, a young man in the palace visits. And his appearance will change the life of Miho. The fantasy of the back shrine, which is woven by an abandoned princess with strange power and a young emperor, starts.