Jonouchi squares off against the sea duelist Ryota Kajiki and his bevy of underwater beasts!  If Jonouchi wins, he’ll have all six Locator Cards necessary to enter the Battle City Finals, but if he loses, he can kiss the finals goodbye!  However, little does Jonouchi realize that he has bigger problems than this duel; the Rare Hunters are closing in on his location…
Your strategy is so obvious.  In that case...