Hotta Kubo Daidanchi No.1 is a residential complex completed in 1991, located in Obi-yama, Kumamoto City. Designed by Riken Yamamoto's design office, this public housing development showcases thoughtful urban planning and contemporary residential design of the early 1990s. The complex exemplifies Yamamoto's architectural philosophy, integrating community spaces with individual dwellings. Its design reflects the era's commitment to creating livable neighborhoods while maintaining practical functionality. The project remains a notable example of large-scale residential architecture in Kumamoto, demonstrating principles of modern collective housing that balanced aesthetic considerations with the practical needs of residents.