第1話: ボタン・ネグロはオスロ近郊で列車が消えた事件を調査し、謎の結晶の欠片を回収する。

When a train bound for Oslo disappears, then reappears two miles away, Botan Negoro, a high school student trained by her ninja grandfather to save the world, is called in to retrieve the crystal fragment that may have caused the accident. (Source: Next Episode)

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