Intro. Ruby Hoshino had a brother named Aquamarine (Aqua) Hoshino, he and she were the children of Tokyo's most famous idol, Ai Hoshino but no one knew because they made it secret but unfortunately she was killed by one of her fans when Aqua and Ruby were still children from there Miyako Saitou, wife of the president of Ai's agency, Aqua and Ruby grow. Aqua growing up changes a lot after the death of her mother and she develops a sense of revenge and she wanted to kill the person who had killed her mother in the past and he was very protective of her sister while Ruby had overcome the loss of her mother even though he missed her and she wanted to become an idol like her mother was and she was very determined but her brother didn't agree very much even if he didn't show it. Ruby and Aqua attend Yoto High School. Ruby had long, blonde hair and pink eyes, while Aqua had short, blonde hair and blue eyes. (You can be whatever you want)