 Aware that Shūrei has little time left before the Red Immortal awakens within her, Riōu tries to help her by bringing her to the Hyōu Clan, an action that extends Shūrei's existence in the world a while longer.is the older sister of the elder Riō, as well as the leader of the psychics in the Hyōu clan.She shares her brother's obsession with the Rose Princess to the extent that she even wants to take over Shūrei's body so her brother will finally look at her in that way.