Aikatsu! Secret Story:
Ichigo Hoshimiya, now a top idol, moves to America to train and take part in concerts. Here she meets Marie, a Japanese-American 14-year-old girl who is getting to know Aikatsu and idols. Despite her mother's opposition, Marie decides to become an idol and starts training with Ichigo.

This series was preceeded by a oneshot by the same mangaka, in January 2013.

Not to be confused with "Aikatsu! Colorwide Comics", also by SHIRAYUKI Bambi.