Yunohana House, completed in 1980 in Hakone, Kanagawa Prefecture, represents a significant work of residential architecture from the postmodern era. Designed by the Chatani Laboratory at Tokyo Institute of Technology, this dwelling exemplifies thoughtful integration with its natural surroundings in the scenic hot spring region. The house showcases innovative design principles characteristic of its period, balancing contemporary architectural concepts with functional living spaces. Its construction reflects the research and experimentation conducted by leading architectural scholars, making it a notable example of Japanese residential design from this transformative decade in modern architecture.