Obsidian Goddess

Obsidian Goddess (黒曜の女神, Kokuyō no megami) is a mysterious entity that hides in Musashi's body. She is chased by Shiro Inukai and Nanao Inusaka.

Appearance
The Obsidian Goddess has long fair coloured hair and sometimes she has a halo on her head.

History
Previously she was hosted by Jisai Kanemaki.

Abilities
The ruler of the Kitetsu sword