Sakae Jinnouchi

Sakae Jinnouchi (陣内 栄 Jinnouchi Sakae) is the indomitable matriarch (a woman who is the head of a family or tribe/an older woman who is powerful within a family or organization) of the Jinnouchi family and the 89-to-90-year-old great grandmother of Natsuki Shinohara who holds the family together and she also has connections in the highest ranks of political and financial circles, despite her advanced age.