Ayashi no Ceres

Ayashi no Ceres (妖しのセレス, Ayashi no Seresu) is a shoujo manga written by Watase Yuu in the year 1992. It was later adapted into an anime which consists of 24 episodes in Japanese & English.

Plot
Aya Mikage was the avearage highschooler until she was discovered to be the descendent of the legendary tenyo, Ceres. She develops feelings for a mysterious young man named Toya. Now Aya is running away for her life with new friends, some who are C-Genomers like her, also with Toya, from her brother who is possessed by Shiso Mikage, Ceres'sevil ex-husband, and Kagami Mikage, Aya's cousin. Now what lies for Aya and her allies?