Miaka, afraid that she can't marry Tamahome anymore, runs away from her love once again and falls down into a cave. She is rescued by Amiboshi, one of the Seiryu Seven, who had been presumed dead. Amiboshi seems to have lost his memory and is now under the name of Kai-Ka, the adopted son of an elderly couple. While Tamahome is in search for Miaka, Tomo using his illusion on Soi to allow Tamahome believe that she is Miaka. Amiboshi has asked Miaka to stay and live with him. Keisuke and Tetsuya are on their way to Morioka to find out about the murder of Takiko Okuda.
心宿に汚されたと思った美朱の悲しみは大きく、優しくしてくれる鬼宿の気持ちにも応えることができない。もう鬼宿のそばには居られない……。夜の暗闇をひとり駆け出した美朱は、崖から転落してしまう。落ちた衝撃で足を捻り、心も体もボロボロの美朱の前に現れたのは角宿であった。美朱に剣を向ける角宿。動くことのできない美朱は覚悟を決めるのだが……。