Yomogi catches a cold and goes to sleep. Gauma gets Yume to visit him. Yomogi is confused by Yume's sudden visit, but the relationship between the two slightly unravels. When Yume hears that a monster had appeared, she leaves Yomogi with his cold and heads for battle.

At Chise's suggestion, Yomogi and his friends go to a large outdoor pool, but there is unexpected company there. Gauma orders Yomogi and Yumemi to pretend to be lovers for a certain mission.

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.

A Kaiju spreads confusion throughout the city. Gauma and the others make their first attempt to capture a Kaiju.

Yomogi and Yume hear about how Kano died. A Kaiju suddenly appears without them being able to take in the story. Meanwhile, Chise holds onto a secret.

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

Yomogi and the others begin to resume their everyday life, and the Kaiju Eugenicists who have lost their Kaiju also lose their place in the world.

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