Arimura was elected for the first time in 2001. Having been elected to the House of Councillors, Arimura stopped the Ph.D. in international business programme at
Aoyama Gakuin University. On 3 September 2014, she was appointed by the
Abe Cabinet as Minister of State for Regulatory Reform, Minister of State for Measures to Combat Declining Birthrates, Minister of State for Gender Equality and
Minister of State for Consumer Affairs and Food Safety in the Cabinet Office. Arimura led the
public relations department of the LDP during Prime Minister
Yoshihide Suga's term, and was replaced on 4 October 2021 by
Taro Kono at the start of Prime Minister
Fumio Kishida's term. She is affiliated to
Nippon Kaigi. == Personal life ==