Kazue Yakushiji (1884-1965) was born in Okayama prefecture. He was an architect, an army technician and a company executive. He once even gave being a politician a try. Magosaburou Oohara, an influential entrepreneur, recognized Yakushiji's architectural talent and hired him to design various buildings. Yakushiji also designed many other buildings, such as the former head office of Chugoku Bank and many architectures in the Kurashiki Denken District.This study describes his architectonic activities and his great encounters with Keiji Gotou, Shizutarou Urabe, Shouichi Fugiki, and so forth. It also picks up Yakushiji's visit to Europe in 1922 where he met Le Corbusier.