Once again, Hiroto and the Build Divers make contact with Freddie and stand on Eldora's soil. Their sense that the planet Eldora really exists, and isn't just a GBN Story mission, is reinforced. But meanwhile, where their Gunpla are concerned, they must deal with a situation dramatically different from before.
But he became an enemy
waiting at the key's destination.
لكن أصبح عدواً يتربّص عند وجهة المفتاح
Doch er wurde zum Feind, während er
am Ort der Übergabe wartete.
Pero acabó convirtiéndose
en un enemigo.
Pero acabó convirtiéndose
en un enemigo.
Mais il est devenu l’ennemi
qui attend derrière la porte.
E invece lui alla fine è diventato il nemico
 che ci aspetta dove la chiave verrà usata.
Mas ele se tornou um inimigo
esperando no local de uso da chave.
Но он стал нашим врагом до того,
как до этого дошло.