|The Key to Adrastea|
|Original Air date||March 6, 2016 (Japan), April 23, 2016 (Toonami)|
|Rōmaji||Adrastea no Kagi|
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The Key to Adrastea (アドラステアの鍵 Adrastea no Kagi ) is the ninth episode of the Dimension W anime adaption. It originally aired on March 6, 2016.
List of characters, in order of appearance.