Ghost Slayers Ayashi Temporada 1 Capitulo 7

Yukiatsu tries to draw out the Ayagami from the serpent Yōi, but finds he is unable to do it. The only thing to do is to try to take the Ayagami from Shichi in order to subdue the Yōi. To change the serpent Yōi into a good spirit, Kumoshichi fuses himself with it.