Keio University's Hiyoshi Dormitory South Wing Renovation represents a thoughtful modernization of campus residential architecture completed in 2012. Designed by Mitsubishi Estate Design, this project transforms historic dormitory facilities while preserving their essential character. Located in Yokohama's Minato Ward, the renovation skillfully balances contemporary comfort with institutional heritage, serving as both housing and educational space for middle and high school students. The project exemplifies sensitive adaptive reuse within Japan's educational architecture, demonstrating how heritage structures can be revitalized for modern use while maintaining their cultural significance and community function.