|Storm of the Silver Moon|
|Rōmanji||Gingetsuei no Arashi|
|Air date||November 20, 2004|
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During yet another outing with Sōma, Himeko searches for a present to give to Chikane since she knows something is not right with her. Upon returning to Chikane's mansion, Himeko is shocked to find that the Lunar Priestess has joined the Orochi, becoming the Eighth Neck. Chikane sexually assaults Himeko.