When the Tsutsujidai High School Festival is threatened, the Gridman Alliance must decide how to proceed. Some of them wonder if fighting is the only choice they have.
That way, we'll get a full combine!
Vielleicht kommt dann
die Mega-Kombination!
¡De esa forma, conseguiremos
una combinación completa!
Et comme ça, fusion complète !
Dessa forma,
obteremos a combinação completa.