Sumako Aotsuki

Sumako Aotsuki (蒼月 須磨子 Aotsuki Sumako), before marriage Sumako Hizaki (日崎 須磨子 (ひざき すまこ), is the third third generation keeper of Hakumen no Mono who imprisons the 9-Tailed Fox with her barrier, the wife of Shigure Aotsuki and the mother of Ushio Aotsuki.