Masami place was really amazing, the amenities were really complete and would help you a lot with your travel needs like cooking and washing laundry.. The host is really helpful to keep our luggage earlier..and really fast response answer our question. The place is quite small for 5 adults and 1 infant because our big luggages.. The location is about 5-7 minutes by walking from the nearest station hatagaya..hatagaya its self is just two stops from shinjuku station, but it's little bit far to transit from jr line to keio line (acces to appartement).. I recommend this place as your stay in tokyo..