Jyumonji Hanae serves as the maternal grandmother to Gao Mikado and Hanako Mikado. She is the mother of Suzumi Mikado and the mother-in-law of Takashi Mikado. Despite her elderly appearance, she possesses mastery in martial arts, her quick movements defying expectations of her age. Her culinary skills are widely renowned, particularly her takoyaki, which garners widespread affection from all who taste it. Physically, she is characterized by perpetually closed eyes and a notably short stature, even shorter than her granddaughter Hanako. Her role centers on her position as the family matriarch within these established relationships.