井上 真由子

Ushio and Asako's best friend. She is more sweet and feminine. She cares for Ushio and has feelings for Tora, whom she readily buys hamburgers for. Later, she took in Kirio as her stepbrother. It is also revealed that she belongs to the lineage of powerful lady shamans. Therefore, Mayuko is able to create psychic barriers powerful enough to hold back Hakumen.

(Source: Wikipedia)