Just to clarify for folks who don't know Tokyo: Wakoshi is the first stop on the new Fukutoshin line, and it is located in Saitama, which is not in the 23 wards

Just to clarify for folks who don't know Tokyo: Wakoshi is the first stop on the new Fukutoshin line, and it is located in Saitama, which is not in the 23 wards composing Central Tokyo. https://en.wikipedia.org/wiki/Tokyo_Metro_Fukutoshin_Line https://en.wikipedia.org/wiki/Tokyo_Metro_Fukutoshin_Line However, it's only a single stop on the line; the other 15 stops are in Central Tokyo.