During her 30-year-long political career, she served in various important governmental posts, and became the first female President of the House of Councillors, a role she held from 2004 to 2007.

Her pseudonymous surname is also spelled Ogi, Ōgi and Ohgi for a variety of Hepburn romanization systems.

She wrote later that her experience of the air raid had convinced her to make efforts to attain peace and national defense.

Strenuously lobbied to run by Takeo Fukuda, Oogi first elected to the House of Councillors as a member of the Liberal Democratic Party in 1977.

The NFP torn up on 31 December 1997, Oogi became a member of the Liberal Party, stringing along with Ichirō Ozawa.

She also made a controversial remark: "The Constitution of Japan deprived Japanese women of their graces of character.

[7] Upon Prince Hisahito's birth in September 2006, Oogi suggested that the lawmakers take a cautious attitude toward the Government's move to allow female and matrilineal succession of the Imperial Throne.

She appreciated Princess Akishino for her third deliverance in this day of declining birthrate and said "We women would like to look to her as a model.

[10] Interviewed about his love affair with a maiko, which was exposed in a tabloid magazine in 2002,[11] Oogi answered "I know that girl.

"[12] Her husband, Sakata Tōjūrō IV died of natural causes[broken anchor] at the hospital in Tokyo on 12 November 2020, at the age of 88.