This story refers to our world as Earthside, while other territories are named Nosfertia, Heavenstia, and Eternalia. When Darknoids from Nosfertia invade Earthside, three Animanoids are sent by Heavenstia to stop the attack. Touya, who believed himself to be a human, learns he is actually from the realm of Eternalia. Alongside the three Animanoids, Touya battles to protect Earthside.