Shikoku Mura Museum "Oyane-san" is a contemporary architectural work completed in 2022, designed by spatial design firm Kuukan Kousou. Located in Yashima, Takamatsu, Kagawa Prefecture, this multifunctional facility seamlessly integrates commercial, exhibition, and office spaces. The building represents a modern approach to adaptive architecture, serving as both a cultural exhibition venue and operational hub. Its thoughtful design reflects contemporary Japanese architectural philosophy while accommodating diverse functional requirements. The structure stands as a noteworthy example of twenty-first century architectural innovation in the Shikoku region, offering visitors an engaging experience that balances aesthetic sophistication with practical utility.