Koyama Tomiwo Gallery is a contemporary art exhibition space located in Roppongi, Tokyo, completed in 2016. Designed by architect Tetsuo Murayama and Ayako Kato of Mutoka Architects, this gallery showcases refined minimalist aesthetics through its architectural expression. The building serves as a dedicated venue for displaying contemporary artworks and represents a sophisticated approach to gallery design that seamlessly integrates the exhibition space with its urban surroundings. The structure exemplifies modern Japanese architectural practice, offering visitors an immersive experience in a carefully curated environment that prioritizes both form and function.