Souzou Koubou is an office building completed in 1987, located in Noguchi-nakamachi, Beppu, Oita Prefecture. Designed by Tsuji Design, this structure represents the architectural approach of its era, serving as a functional workspace for creative professionals. The building's design reflects the practical needs of office environments during the late 1980s, when Japanese architecture was increasingly balancing modernist principles with regional contexts. Souzou Koubou stands as a noteworthy example of commercial architecture from this period in Beppu, contributing to the city's diverse architectural landscape.