Hirofumi Daimatsu

was a Japanese volleyball coach and a Japanese politician. 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, to world champion.

Biography Hirofumi Daimatsu was born in Ayauta Gun, Kagawa Prefecture, Japan.

In 1941, he joined Dai Nippon Spinning Co., Ltd. (later, Nichibo, thereafter, Unitika) after he graduated from Kwansei Gakuin University. 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. Oriental Witches achieved 175 consecutive wins by Daimatsu's severe training, so he was called "Demon Daimatsu". 『なせば成る』（Kodansha 1964）