Ep. 3: Wataru besiegt die Half Buki-Brüder, die Joy Joy Town geteilt haben.

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Wataru and group find the town known as Joy Joy and note the obvious fact that all of the items, buildings, people, etc. are divided in half. This is because the town has been taken over by the Half Buki bros. So the group confronts the Half Buki bros. and due to an argument between the two brothers over a rice ball, Wataru defeats the half brothers, restoring the town to its undivided old self. The group then learns from the villagers that their destination is the Star Wind Palace and with this new information head there. (Source: Mashin Hero Wataru Wiki)