Sagittariusstar (イテザスター, Itezasutā) is a planet located at thousand of light years from Earth. It is the home planet of Chieri Sono, Chieri's father, Yasunaga and the Zodiac Corporation. There are many cities in Sagittariusstar. This planet is completely under the Entertainment Ban. As revealed in the Last episode from Next Stage, Chieri's father's grave is placed near Zodiac Corporation's headquarters.