Aiba, Ruri

藍羽ルリ

Another main character of Sacred Seven. She is the daughter of a billionaire noble family who were killed by a Darkstone. She established the Aiba Foundation to fight against the Darkstones. She is a Lightstone with the ability to turn a crystal into a Lightstone and insert it into Alma to control his true powers. She became the chairman of Alma's school (where she heavily renovated the campus) to maintain contact with him. She has a twin sister named Aoi who also survived the Darkstone aftermath, but was crystallized. Her entire foundation is staffed exclusively by female maids.