Sayo Yasuda

Sayo Yasuda (安田紗代) is the true form of Beatrice and the writer of the message bottles. Sayo's true name is Lion Ushiromiya, and was given the fake name "Sayo Yasuda" after the cliff incident. Sayo was taken into the Fukuin House and was given the "blessed name" Shannon. After Kinzo's death, Sayo succeeded the headship and became the true head of the Ushiromiya family.

Sayo is the incestuous child of Kinzo Ushiromiya and Beatrice Ushiromiya. hinges on the mysteries surrounding Sayo.