Mine Nakahara

Mine Nakahara (中原 美音) is Teikonian business magnate who is the currently serving as the chairman of Yotsuba Financial Group. Onodera estimates her net worth to be at US$4.6 billion which consequently makes her the richest woman in the country. She is the great-great granddaughter of Ogasawara Kai, founder of Yotsuba Group. Nakahara has been at the center of several controversies made by Yotsuba, most recently is the on-going investigation of Oka government officials over the involvement of bank in allowing Okataians to evade taxes. She has one son, Yuu Nakahara whom she filed a petition to change his surname from Nakahara to Yotsuba.