Myochi-kai Shin-Honten, completed in 1974, stands as a remarkable example of modernist religious architecture in Tokyo's Shibuya Ward. Designed by the Itoh Kishiro Architectural Research Institute, this shrine and temple structure showcases the bold geometric forms and innovative spatial planning characteristic of 1970s Japanese architecture. The building harmonizes contemporary design principles with traditional religious functions, creating a distinctive sanctuary that demonstrates the evolution of worship spaces in post-war Japan. Its architectural significance lies in the thoughtful integration of modernist aesthetics with spiritual purpose, making it an important reference point for understanding how Japanese architects approached sacred architecture during this transformative period.