Mashumairesh!! is back and heading to Shibu Valley to try and play at the Midi City Worldwide Love Rock Festival, but they run into some trouble on the way.

The girls of Mashumairesh!! are put on trial for their alleged role in the destruction of Midi City. Will they be able to prove their innocence?

Plasmagica welcomes Mashumairesh!! and shows them around Shibu Valley before letting them explore on their own. But when left to their own devices...

DOKONJOFINGER and SHINGANCRIMSONZ participate in an excavation to find treasure and earn money, but they find themselves in trouble during the dig.

Mashumairesh!! goes to watch Criticrista play on the popular music show, Music Terminal, and they run into REIJINGSIGNAL, who are also playing that day.

In order to take their singing to the next level, Mashumairesh!! attends a workshop by Tsurezurenaru Ayatsuri Mugenan, but the workshop doesn't feel very much like a workshop...

In order to gain experience to get to the festival, DOKONJOFINGER plays in a battle of the bands against ARCAREAFACT, but Sojun's been acting strange...

Maple found a venue for the Plasmagica and Mashumairesh!! concert, but Delmin suddenly needs to return home...

Along with the other girl bands from Banded Rocking Records, Mashmairesh!! gets a chance to appear in a sports festival with REIJINGSIGNAL and BVL.

As the bands start getting ready for the Midi City Worldwide Love Rock Festival, DOKONJOFINGER and Plasmagica go watch a Trichronika concert.

The bands are all excited and nervous as the Midi City Worldwide Love Rock Festival begins, but just as Mashumairesh!! starts to play...