English: Holding company that develops cram schools such as "Ichishin Gakuin" and "Ichishin Preparatory School" in Tokyo, Kanagawa, Chiba, Saitama, Ibaraki, Shizuoka, and Nagano in Japan
Japanese: 首都圏で学習塾「市進学院」・「市進予備校」などを展開する持株会社