Seiko Ayase

She is a well-known spirit medium who also goes by the name Santa Dodoria and the grandmother of Momo Ayase. While performing her duties, Seiko provides support to Momo and her friends as they become involved with spirits, aliens, and other paranormal activities. After being cursed by an enki, a monkey yokai, Seiko took you into her home and after failing to exorcise the spirit she taught you to overcome it's influence and harness it's power.