さくら学院
Prior to the release of the album, Babymetal had released five singles, from 2011 to 2013. The first single, "Doki Doki ☆ Morning", initially appeared on the Sakura Gakuin debut album "", before being released independently on October 22, 2011. "Babymetal / Kiba of Akiba", a joint single with the band Kiba of Akiba, was released on March 7, 2012, featuring the Babymetal song "Iine!". "Headbangeeeeerrrrr!!!!!" was released on July 4, 2012 and included a neck corset on the limited editions. "Ijime, Dame, Zettai" was the first major label single released on January 7, 2013, but did not appear in the annually released Sakura Gakuin albums. "Megitsune" was released as the second major label single on June 19, 2013, and is the first song released after the split from Sakura Gakuin.