Giant demonic monsters are wreaking havoc and destroying Japanese cities! As citizens run in terror, it's up to a brave rooster to fight back! In a world where terrifying monsters roam the land, a heroic chicken is destined for greatness. When the demon giants threaten the innocent, he will show them who is the boss! Meanwhile, Elizabeth tries to save their father while Keiji and Keisuke reunite to battle Hikari, the demon who aims to destroy the two rooster brothers. Hikari has transformed into the ultimate expression of his evil, and it seems that nothing can stop him. Keiji does not give up, but that is exactly what Hikari's diabolical mother wants - to corner him and push him beyond his limits to activate his Just Egg. Keiji fights for justice, but is there a dark side to his new awakening?