The Mysterious Play: OAV II - Season 1 Episode 5 The Transience of a Water Mirror
Overview: Tasuki's behavior towards Miaka was influence by one of Tenkou's underlings, who happens to be Hikou, the friend that Chichiri claims to have killed. Now Chichiri must face down his past demons to save not only Miaka's life, but Miaka's world as well. Taka tries to find a way to help, even without Tamahome's powers.