Great place to stay to explore Tokyo! Masa-san keeps the place impeccable, and was always available in the office downstairs when I needed assistance. The onsen next door lives up to the legend; great place to rest your feet and relax after a long day tramping around the city. The neighborhood feels very clean and safe (close to primary schools, etc). Good access to the Shinjuku line, which cuts right across the central axis of the city - even though it's a bit out of the way, it feels a lot closer. Wish I'd had more time in the neighborhood, and I'm looking forward to coming back!