I stayed at this apartment for several months, and could not have asked for a better experience. Nao's place has the best possible location in Oshiage area. Just a minute walk from the station (which serves several different train lines), and a pleasant 15 minute walk from Kinshicho area. Nao was extremely patient and helpful through some mishaps I had involving the keys to the apartment, always willing to help in a timely, pleasant manner.
I worked from home during this time, and the apartment was perfectly equipped for this with a big desk/comfy chair, and also a nice sofa in front of a big TV, for lazy days. Would completely recommend, specially for longer-term renters.