The Fukutoshin Line is a subway line in Tokyo, Japan, operated by the Tokyo Metro. It connects the areas of Shibuya, Shinjuku, and Ikebukuro, making it a vital route for commuters and travelers. The line is known for its modern trains and efficient service, covering a distance of approximately 20 kilometers. Opened in 2008, the Fukutoshin Line features 13 stations, including key stops like Shinjuku-sanchome and Wako-shinzhuku. It also connects with other major lines, such as the Yurakucho Line and the Tōbu Tojo Line, enhancing accessibility across the Tokyo metropolitan area.