In the mystical lands of the Rising Sun, Atsuko, a kind-hearted patroness of animals, discovered a wounded Shiba Inu warrior abandoned by her lord. Atsuko rescued the ronin and named her Kabosu. Kabosu healed and became the Dogemessiah, spreading powerful teachings of love and joy across the world. However, the jealous goddess of toxicity, Nexalia, sought to overthrow Kabosu and plunge the world into darkness. In response, the followers of the Dogemessiah rose to defend the light and preserve her legacy.

In the distant Northern fjords, the Floki civilization uncovered ancient manuscripts of the legendary shipbuilder Eldar Múskip. With this knowledge, they built a "deadly fleet" and set sail for the mainland. However, spies infiltrated their ships, stealing weapons and burning provisions. Undeterred, the resilient Floki Vikings restored their strength, took up shields and spears, and prepared for vengeance.

Since ancient times, the mainland had been dominated by dog civilizations that had long enslaved the cats. But a new leader named Myeo emerged, igniting hope among his people. Born under the crescent moon, Myeo led a courageous rebellion under the banner of MEW against their canine oppressors. Rallying the cats, he inspired them to fight for their freedom and seek a new land where they could live in peace, free from the chains of their former masters.