Once again, Hiroto and the Build Divers gather in real life. To save the people of Eldora from the One-Eyes, they must power up their Gunpla to resist the powerful new enemies created by Alus, and discuss how to rescue Masaki Shido, whose mind is still trapped on the planet Eldora. Then Parviz makes a surprising proposal.

But it's hard to balance
the strength of its parts.
لكن من الصعب موازنة قوّة أجزائه
Aber die Stärkebalance
bereitet mir Kopfzerbrechen.
Lo difícil es hacerlo estable.
Lo difícil es hacerlo estable.
Mais j’ai du mal
à équilibrer le corps.
Però è difficile bilanciare la forza di ogni sua parte.
Mas é difícil equilibrar
a força das suas partes.
Но мне трудно соблюсти общий баланс.