The Seibu Group is a Japanese conglomerate primarily involved in transportation, real estate, and leisure industries. Founded in 1912, it operates the Seibu Railway, which provides train services in the Tokyo metropolitan area. The group also manages hotels, golf courses, and shopping centers, contributing to its diverse portfolio. In addition to transportation, the Seibu Group is known for its involvement in the Seibu Lions, a professional baseball team in Japan's Nippon Professional Baseball league. The company focuses on enhancing customer experiences through its various services and facilities, making it a significant player in Japan's economy.