THE IDOLM@STER M@STERS OF IDOL WORLD!! 2015

THE IDOLM@STER M@STERS OF IDOL WORLD!!2015 was a two-day live concert event that took place on July 18 and 19, 2015. It was held to commemorate the tenth anniversary of THE iDOLM@STER franchise, included songs and performers from every medium of the franchise at the time, (excluding SideM), and took place at Seibu Prin…