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This article contains plot details about an upcoming episode.
The Human are the ones who make mechs, and made Wolfen and Roxie. They are described as "evil" by them. They debut in Flashbacking. Some wolves call them Twolegs or Monsters. Most animals fear the Humans because if one is caught by them, the humans will do experiments on the poor animal. Some humans are friendly like Airis's Rider. Every animal can agree not to trust these mosnters. They destroy their land and poison water to drink.