[1] In 2019, with the active support of party leaders such as Secretary-General Nikai and then Chief Cabinet Secretary Yoshihide Suga, Kawai campaigned for election to the House of Councillors.

[4] Further revelations followed that the headquarters of the governing Liberal Democratic Party had transferred an unusually large amount of 150 million yen to the local Hiroshima office, prior to the election.

[6] Other alleged recipients of the cash gifts included several elected representatives in Akitakata, Hiroshima, amongst them the Mayor, the Speaker of the Municipal Assembly and the vice-Speaker.

[7] Hiroshi Kodama, the mayor of Akitakata, received 600,000 yen and appeared at a news conference on 26 June 2020 with a shaved head to express his remorse.

[8] On 16 June 2020, she and her husband, Katsuyuki Kawai, left the Liberal Democratic Party amidst the ongoing allegations of buying votes to aid her campaign for the House of Councilors.