Crystal Brick is a residential building completed in 2004, located in Bunkyo Ward, Tokyo. Designed by architect Yasuhiro Yamashita of Atelier Tenko-jin, this structure exemplifies contemporary Japanese residential architecture. The building's design thoughtfully integrates innovative spatial planning with refined aesthetic principles. Crystal Brick showcases the architect's distinctive approach to modern urban dwelling, demonstrating how residential spaces can achieve both functional efficiency and architectural sophistication. The project represents an important example of early 2000s Tokyo residential design.