At the Yoshinori Isagai Laboratory, the tourism promotion project in Karatsu City, Saga Prefecture, the local place of residence in Yugawara, Kanagawa Prefecture, making community places and high school in Otaki Town, Chiba Prefecture, revitalizing the two districts in Shiroka City Saitama Prefecture, Community development using community radio in Kiryu city, Gunma prefecture, sports The case teaching material development (FB) is carried out based on interview with a family business company (Joint) and a family business company.