sentences:  Being the only human who is deemed off-limits to the Horrors in Ring's community, Iyu plays a vital role in the community by using her singing voice to placate the emotions of the residential humans, especially those who are about to be served as Blood Dolces, and to ensure that Ring maintains his sense of self.However, placing her daughter's well being before her own when both mother and daughter reunite, Iyu stops singing for Ring in an arranged act of redemption in her role in the Horror's plans, by having him revert to his true nature and devour her.Iyu is portrayed by .