Nozomi Moritomo is an average girl who just wants to help, but can a lowly Rest like her make a difference in the battle of the Bests?

Chiaya's back, but they lose Yukina as things come to a head in old Aichi and old Mie. How will they ever learn to coexist peacefully?

What can four Rest girls do thrown in amongst Bests and robots and aliens? In the midst of all the fighting, can the girls bring peace?