Hiroto and Kazami have made a small but very important improvement in their relationship. However, the Build Divers and the Resistance are now overwhelmed by the attack of the mysterious Gunpla known as "Seltsam." The pendant that Muran entrusted to Hiroto and the others seems to become a key to turn the tide, but… Meanwhile, May begins gathering intelligence at Magee's bar.
Our next enemy is in the water.
عدوّنا التالي موجود في الماء
Der nächste Gegner wird im Wasser sein.
El próximo enemigo estará bajo el agua.
El próximo enemigo estará bajo el agua.
Le prochain ennemi sera sous l’eau.
Il nostro prossimo nemico è sott'acqua...
Следующий враг ждёт нас в воде.