Nishino Office Annex is a contemporary architectural work completed in 1998, located in Suita, Osaka Prefecture. Designed by I.C.U. architects Naoyuki Osada and Yuji Shimizu, this office facility showcases modern design principles applied to transportation-related infrastructure. The building demonstrates the architects' approach to integrating functional workspace with contemporary aesthetic sensibilities. Constructed during a period of significant architectural innovation in Japan, Nishino Office Annex represents an important example of late twentieth-century commercial architecture in the Kansai region. Its design reflects the collaborative vision of two prominent architectural practitioners working within the evolving context of Japanese modernism and practical office design requirements.