It was a nice large enough room. We were two men. If you stay longer than 5 days, you should mind that there is only one chance to put your garbage outside. That means if you want to put away your garbage out of the room during your trip, you should call room service which will charge you extra tips.
Check in was easy. However, you should go to the another place to check in, then walk about 7~10min to get in to your room. The check-in place is next to the kamata station, so it won’t bother you. Except the above, everything was fine to us.