This is a limited-time special price edition of the idol group "Band Ja Naimon!"'s major 1st album, "Kanpeki Shugi na Sekai ni Fukanzen na Ongaku wo ♡" (released March 8, 2017). This album contains a total of 15 songs, including "Seishun Karadadash!" and "Kime Master!", and features contributions from a luxurious lineup of creators such as Q-MHz, HISASHI (GLAY), and NAOTO (ORANGE RANGE).