Ruby, inherited by her mother Ai Hoshino, uses dirty tactics to rise in the entertainment industry. She aspires to be an idol and pretends to be Amaterasu. At 158 cm tall, she applied to be an idol at 14, but was rejected. She starts high school at 16. She have a brother named Aqua Hoshino(He is 18 and an actor). And her Mother is Ai Hoshino. She tried to recreate the idol named "B Komachi"her members are Kana Akane and Mem Cho. Her mother died at 20. - Mood change easily - Get easily annoyed