The Tamana City History Museum, known as Kokoro Pia, opened in 1994 and stands as a significant cultural facility in Kumamoto Prefecture. Designed through the collaborative efforts of Total Media Development Laboratory and Keitsunami Takehiro Architects, this museum and memorial hall represents an important architectural achievement from the 1990s. Located in Iwasaki, the building serves as both a repository of local historical artifacts and a contemporary architectural statement. The design reflects thoughtful integration of modern architectural principles with the cultural heritage it preserves, making it a noteworthy destination for those interested in late twentieth-century Japanese museum architecture and regional historical preservation efforts.