師匠・威吹鬼の危機に変身したあきらは魔化魍に一撃を加えるが……。一方、不思議な森の出現に恐怖を感じるおやっさん。そこに一匹の蝶。その先に謎の男と女。対峙するおやっさんと謎の男……。あきらは明日夢と京介に鬼の修行を続けさせる。
Asumu and Kyousuke are both scolded after Akira takes them as students, but they refuse to give up of becoming Onis.
Ichirou Tachibana is warned by the Man and Woman that the mysterious Kodama forest could be the beginning of the end; it is know in history as the harbinger of destruction.
