Renzu Ioroi

Relatives: Shinra Ioroi (grandson)

Renzu Ioroi is Shinra Ioroi's grandmother. When she was a child, she drank Kouki, which should have made her a Mushi, but the ritual was interrupted, causing half of her soul to become trapped in limbo between the human and Mushi world.

(Source: Mushishi Wiki, edited)