|Family:||Ryuuka Shimizudani (granddaughter)|
|Debut:||Toki Chapter 2|
She is the grandmother of Ryuuka Shimizudani and often takes care of her after school.
Introduction Arc(Toki Manga)
She welcomes Ryuuka home and tells Toki Onjouji that she is a nice girl because of the gift she brought. Ryuuka then gets her grandmother to play three person mahjong but warns that she is very strong. After destroying Toki, she tells her not to give up and that next time she might find a way but she will not go easy on her.