A collaboration between Isurugi and h-concept, a renowned Tokyo design company. Isurugi is a plastering company that was established in Kanazawa in 1917 by Hanhichi Isurugi, the fourth generation in a family of plasterers. Isurugi has taken part in a number of large-scale renovations and restorations of historical buildings, including those at Zuiryū-ji Temple in Takaoka, Toyama, designated a National Treasure, and of Osaka and Kanazawa Castles, while also lending the company’s expertise to such modern architectural projects as Universal Studios Japan. The Osaka Dome and Kyoto train station building. In 2004, Isurugi introduced an art department and has been expanding into the design field with Soil.