Toshiki Kaifu
Hayashi was a member of the Liberal Democratic Party (LDP). He served at the House of Representatives, also known as Diet. He was first elected for the Diet in 1969. He also served as health and welfare minister. In August 1989, he ran for the presidency of the LDP, but Toshiki Kaifu won the election, replacing Sousuke Uno as the LDP president.