Dino King Battle: Taiko Kara no Hyouryuusha (Nintendo DS)
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Aru
Defeat him during the story mode, in the quests seen before facing the second main level.
Irisu
Defeat her during the story mode, the battle occurs as part of the story.
Nano
Defeat her during the story mode, the battle occurs as part of the story.
Tonton
Defeat him during the story mode, the battle occurs as part of the story.
Yango
Defeat him during the story mode, in the quests seen before facing the first main level.