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Totta loves to fish. One day a bar soul named Potepen appears from the barcode on Totta's bag of potato chips. Together, Totta and Potepen use a special "Bakutsuri" bar rod item to fish for other bar souls.
The balance of the Creature World is starting to crumble. A talking deck case named Decky comes to the human world to search for a Duel Master to preserve equilibrium. There he sees Joe's power to create creatures.