When high-school freshman Yomogi Asanaka stumbles across kaiju user Gauma, he and a few unsuspecting onlookers get caught up in a fight against kaiju.

Dynazenon is defeated by the Kaiju. A mysterious giant that appears. Despite the confusion, Onija and Mujina begin to fight the giant. Gauma has no way to repair the damaged Dynazenon.

An unprecedentedly great power attack the city. Yomogi takes hold of Dynasoldier to confront the root of it all.

Yomogi and the others combine into Dynazenon once more for the final battle.