We had a wonderful stay for several nights. The space was clean and it was a good size for two people considering other relative homes in Tokyo. The floor tiles and concrete wall did make the space a little bit cold in the winter weather, but the wall-mounted A/C unit w/ heating and a space heater quickly heated the space. As other reviewers mentioned, make sure you and the other guests are comfortable with the bathroom being open. While there was a curtain separating the two spaces,