The story revolves around three adolescent girls who transform into the elemental 'Nanas' and fight against monsters.
[1] A series of original video animation adaptations by Shaft began prescreening in late 2015.
[3][4] The series features original character designs by Kantoku, who previously illustrated The "Hentai" Prince and the Stony Cat.
[4] Seven promotional pilot edition previews were released between September 30, 2012, and April 26, 2013.
[5][6] In July 2015, it was announced that an original video animation by Shaft would be released in late 2015.