Hana Koganei House is a residential project completed in 1983, located in Kodaira, Tokyo. Designed by Toyo Ito Architects, this residence exemplifies the architect's innovative approach to domestic spaces during the early phase of his career. The house demonstrates Ito's characteristic design philosophy, balancing functionality with aesthetic refinement. Situated in a suburban Tokyo setting, the residence showcases thoughtful spatial planning and attention to material expression. This work represents an important example of Japanese residential architecture from the 1980s, reflecting both modernist principles and contextual sensitivity to its environment.