What is Mikio Aoki?
{{Infobox officeholder |name = Mikio Aoki |native_name = {{nobold|青木 幹雄}} |native_name_lang = ja |office = [[Prime Minister of Japan]]<br><small>Acting</small> |monarch = [[Akihito]] |term_start = 3 April 2000 |term_end = 5 April 2000 |predecessor = [[Keizō Obuchi]] |successor = [[Yoshirō Mori]] |office1 = [[Chief Cabinet Secretary]]<br>Director-General of the Okinawa Development Agency |primeminister1 = [[Keizō Obuchi]]<br>[[Yoshirō Mori]] |term_start1 = 5 October 1999 |term_end1 = 4 July 2000 |predecessor1 = [[Hiromu Nonaka]] |successor1 = [[Hidenao Nakagawa]] |office2 = [[House of Councillors (Japan)|Member of the House of Councillors]] |term_start2 = 8 July 1986 |term_end2 = 25 July 2010 |constituency2 = [[Shimane at-large district|Shimane]] |predecessor2 = [[Hisaoki Kamei]] |successor2 = [[Kazuhiko Aoki (politician)|Kazuhiko Aoki]] |birth_date = {{birth date|1934|6|8}} |birth_place = [[Taisha, Shimane]], [[Empire of Japan|Japan]] |death_date = {{death date and age|2023|6|11|1934|6|8}} |death_place = |party = [[Liberal Democratic Party (Japan)|Liberal Democratic Party]] |alma_mater = [[Waseda University]] <small>(Incomplete)</small> |image=Mikio_Aoki.jpg}} '''Mikio Aoki''' ({{lang-ja|青木 幹雄}}, [[Hepburn romanization|Hepburn]]: {{transliteration|ja|Aoki Mikio}}; 8 June 1934 – 11 June 2023) was a Japanese politician who served as the [[Chief Cabinet Secretary]] from 1999 to 2000, and was briefly [[Prime Minister of Japan|Acting Prime Minister]] following [[Keizo Obuchi]]'s coma. A member of the [[Liberal Democratic Party of Japan|Liberal Democratic Party]], he also served as the Chairman of the [[Liberal Democratic Party of Japan|LDP]] in the [[House of Councillors]]. He studied at [[Waseda University]] but did not graduate. Aoki died on 11 June 2023 three days after his 89th birthday.<ref>{{cite web |title=Mikio Aoki, Former Chief Cabinet Secretary, Dies at 89 |url=https://japannews.yomiuri.co.jp/society/obituaries/20230612-115583|website=Yomiuri Shi