Youko Sennen. She usually refers him as In Tetsu-sama. She is seems to know Ki Tanmoku. Contents[show] Appearance Edit Kau has long light green hair, and a slightly darker shade of green eyes. Personality Edit History Edit Story Edit References Edit Navigation Edit Retrieved from "https://spiritpact.fandom.com/wiki/Kau?oldid=1350" Categories: Characters Demons Female Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.