Sojiku no Sha is a distinctive residential and commercial structure completed in 2000, located in Yasu Town, Kami District, Kochi Prefecture. Designed by Sei Architectural Laboratory, this building exemplifies thoughtful integration of living and commercial spaces within a single architectural framework. The structure demonstrates contemporary design principles while responding to its rural mountainous setting. Its dual-axis design philosophy creates functional separation between private residential areas and commercial zones, offering an innovative approach to mixed-use architecture. The building represents early 2000s Japanese architectural practice, blending practical spatial organization with aesthetic considerations suitable for both architectural scholars and design practitioners.