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The Idolmaster (officially romanized as THE iDOLM@STER) is an arcade and console game released only in Japan by Namco (now Namco Bandai) on July 26, 2005. It was released on the Xbox 360 on January 25, 2007. The game follows the career of a producer who works for the fictional 765 Production studio and has to work with a selection of nine prospective pop idols.

数あるアイマスの中でも超秀逸な作品なのでご紹介します。
ニコニコ動画のsm1680931 がオリジナルですよ。