The Shisui-en New Building is a nursing care facility completed in 2007 in Kawaguchi, Saitama Prefecture. Designed by Yaitaiokuakira and Yaitanaoko of Yaitai Architectural Design Laboratory, this elderly welfare facility demonstrates thoughtful architectural planning for senior living spaces. The building represents contemporary Japanese approaches to institutional design, balancing functional requirements for care operations with creating a humane environment for residents. Its completion in the mid-2000s reflects evolving standards in Japanese long-term care architecture and the designers' commitment to improving quality of life within specialized facilities.