22_7 Vol.1-12 End

One day, Miu Takigawa suddenly receives a letter notifying her that she has been chosen as a member of a brand-new project. Half in disbelief, she heads over to the location stated on the letter. There, she finds seven other girls summoned there in the same fashion. The girls behold a giant, top-secret facility. They stand in bewilderment as they are told they are going to debut for a major record label as an idol group. A new kind of idol, never-before-seen, is about to be born here.
泷川美羽突然收到了一封来自名为“G.I.P”经纪公司所寄来的信，信上写著她获选为新企画的成员。她半信半疑地前往信上地址写的场所，在那里还有和她一样被召集到这的7名少女。巨大的机密设施出现在她们眼前，她们被告知“你们将作为偶像团体正式出道”，前所未见的新生代偶像，在此诞生——