PS4 The Idolmaster: Platinum Stars ‘Takane Shijou’ character trailer The first in a new series of character trailers. Bandai Namco has released the first in a series of character trailers for The Idolmaster: Platinum Stars introducing the game’s 13 idols. This one introduces Takane Shijou. The PlayStation 4 idol training game is due out on July 28 in Japan. If you missed it, catch the latest information blasts here and here.Watch the trailer below.