He led Oriental Witches, nickname of "Nichibo Kaizuka", a factory volleyball team of Dai Nippon Spinning Co., Ltd. (later, Nichibo, thereafter, Unitika) in Kaizuka, Osaka given by the reports of European media when they achieved 24 consecutive victories against other national teams on the expedition to Europe,[1] to world champion.

In 1941, he joined Dai Nippon Spinning Co., Ltd. (later, Nichibo, thereafter, Unitika) after he graduated from Kwansei Gakuin University.

[1] Three months later, he was called up for military service and thrown into operation of Imphal named "Bleached bones road" after moving around China.

[2]　Second lieutenant Daimatsu's unit of 40 men was routed and had to cross mountains, having fevers of 40 because of malaria and/or amebic dysentery without food.

[1][3] In 1968, Daimatsu ran from Liberal Democratic Party and was elected as a member of the House of Councilors of the Diet.