犬養毅
It covered the western parts of Okayama, namely the Kodama, Tsukubo, Asakuchi, Oda, Shitsuki, Kibi, Jōbō, Kawakami and Atetsu counties. The predominantly rural district was usually won by a majority of Seiyūkai candidates, among them Inukai Tsuyoshi who succeeded Tanaka Giichi as party president in 1929. His son Takeru was among two candidates who were elected without Taisei Yokusankai support in the wartime election of 1942.