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Shunta Mogami loves the Battle Spirits game. One day he is transported by a light from a Battle Spirits card to Spirits World, the origin of all Battle Spirits. He meets a girl named Eto, who claims to have summoned him to Spirits World in order to prevent its destruction at the hands of the revived Evil God-King, who once plotted the destruction of Spirits World before being defeated and sealed away. Together with the confident, green-deck-wielding Yoku Albatrosa, who also came from another world, Shunta sets out to find the twelve God-Kings whose power originally sealed the Evil God-King. (Source: ANN)

Long ago, in a little Viking Village called Flake, young Wickie lives a happy life. His father, Halvar, is the chief of the Vikings, and would have liked a son a little more courageous. So, he and his team take Wicke along on their journeys to give him the experience he'll need to be a real Viking. Yet, somehow Halvar and his men end up trapped or hopelessly stuck somewhere in most cases, and it`s up to Wickie alone to help them out with his flashes of wit. (Source: IMDb)

The series stars Hat, the descendant of a hero who fought an evil king and sealed Devildom. Hat falls into Devildom and finds he has to defeat the evil king. (Source: AniDB)