Runsystem Co., Ltd. engages in the management of amusement, recreation, and food centers. It operates through the following segments: Entertainment Business, Systems Business, Real Estate Business, and Child Development Support Business. The Entertainment Business segment provides directly managed stores and franchise businesses of the company and its subsidiaries. The Systems Business segment provides external system sales, systems development, and systems support businesses. The Real Estate Business segment engages in the management of real estate properties. The Child Development Support Business engages in the child development support business, and after-school and other day care services. The company was founded by Senichi Tanaka in June 1985 and is headquartered in Tokyo, Japan.