Hakuyo is Uras younger cousin who is determined to see Ura on the throne so he can become his pampered lover. When he Ura and Ouga were children he was promised as a quotwifequot to Ouga then Ura after the brothers had completed a test from their mother to see if they had the right to choose a bride. When he first comes to the real world in search of Ura he is determined to help kill Yayoi so that he can free Ura from her spell. He eventually warms to her though and later tries to free her from Ougas trap.