守矢神社を退治せんと妖怪の山に攻め入った霊夢を、幻想郷最速の天狗・射命丸文が翻弄する！
同じく守矢神社を目指す魔理沙の前に立ちふさがる謎の妖怪とは！？
守矢の神・八坂神奈子とは何者なのか！？その目的とは！？
神奈子の前にたどり着くのは霊夢か魔理沙か！？
いざ決戦開始！
The Episode beings with Aya fighting Reimu, and she reveals shes using super speed to make it look like their fighting but she just wants to talk. She says she wants Reimu to defeat Kanako and make it look like she defeats her so she wont get in trouble and Reimu gets upset and blows her up. Meanwhile, Marisa find herself o the mountain and sees Nitori laughing at her in her camo device, however Marisa can see her and she smacks her. Nitori then shows her some other inventions like a missile that creates a whirpool that sucks them in. Marisa gets mad but the two quickly make up and Nitori agrees to help her get to the Moriya Shrine. The scene cuts back to Remi arriving at the Moirya shrine and after some banter Reimu and Kanako fight. The episode ends with a brief scene of Suwako drinking sake inside the shrine.
