BiStory: Who Killed Idol? (BiStory~アイドルを殺したのは誰?~) is a book written by Pour Lui. It covers the history of the first 1000 days of BiS, from its formation to the current lineup at the time of release. It was published by M-On Entertainment! and has 162 pages. It was released on August 20th, 2013.
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