In a twist of fate, Kyururu and company find themselves visiting the research facility used by the Professor and her Assistant. There, they learn about the strange phenomenon that leads to the creation of Ceruleans. The Professor says that they can't figure out where the Ceruleans responsible for the attacks recently came from, but Kyururu realizes something and heads off to look into it. Meanwhile, back at the facility, Serval and Caracal find themselves facing a powerful foe!
Both Sandstar and Ceruleum 
come from volcanoes.
النجم الرملي والسيروليان يأتيان من البراكين
Sandstar und Ceruleum
kommen beide von Vulkanen.
Tanto la Sandstar como el Ceruleum
provienen de los volcanes.
Tanto la Sandstar como el Ceruleum
provienen de los volcanes.
Le sable étoilé et le céruléum
sont émis par des volcans.
Sia la Sandstar che il Ceruleum vengono dai vulcani.
Sandstar e Ceruleum vêm dos vulcões.
Звёздный песок и лазуриум порождают вулканы.