Freddie, an inhabitant of the planet Eldora, sets foot inside a ruined temple, carrying with him a book he accidentally discovered in a storage room. His curiosity leads to an encounter with Hiroto and the other Build Divers, and nobody could imagine what will result from this beginning...
This is the hidden mission?
أهذه هي المهمّة المخفيّة؟
Ist das … die Geheimmission?
¿Esta es la misión secreta?
¿Esta es la misión secreta?
C’est la mission cachée ?
Questa è... una missione nascosta?!
Essa é a missão escondida?
Это... скрытое задание?