Twin sisters. Emily and Ava. Story: Emily is the child of light, while Eva of dark. The twin's parents didn't know which of them was the child of Dark, So the parents sent both children to two different realms. Hoping that the young children would never know about each other, their destiny or their parents. The Parents feared their own children. Manga coming soon to TheOtaku near you,lol. Base from glassroses.net