The manga is set a few years after the original Saint Tail vanished, and a new girl rises to take up the mantle. (Source: ANN)

In search of an artist for the "next generation" of Kaitou Saint Tail, Kodansha held a contest on pixiv that ran from June 15, 2017, to July 17, 2017. Shiki Yamori was the contest's winner and became the creator of Kaitou Saint Tail Girls!.