Momoko should have known better when everything started to go wrong. The murders, the warnings, and now this… She is dealing with an old enemy who can't seem to let go of the past, and the past might just kill the both of them.

The Rowdyruff's Z are world leaders, desperately seeking for their counterparts to finish them once and for all. By destroying all schools in New Townsville except one, they bring all high school students together in one building. Now, It's only a matter of time before they cross out everyone, who doesn't meet the profile of Blossom, Bubbles and Buttercup.