R-15 guesthouse is small guesthouse with only 8 rooms. There are several long term tenants in the house, but you can enjoy your stay freely.
There is one shower room, one bath room and 2 toilets.
All utensils are available in the kitchen for you to cook by yourself.
So, it is good for long term tourist as well.
Near from Haneda airport and direct line from Narita airport. Shinagawa is near from every center area in Tokyo and less than 30 minutes to Yokohama also.