This apartment had everything we needed and was nice to spread out in, in terms of beds. There were air conditioners, equipped kitchen, tables to work in - basically the host thought of everything. I don't know whether it is standard for Japan, but the look and feel of the place, along with amenities were very basic. The pictures look brighter than the place - you should be aware of that. Although the beds were softer than what we were used to, the place is quiet and easy to sleep in - no unexpected surprises anywhere. Masami is a wonderful host and let us keep our luggage at the front office. She goes out of her way to help guests. I highly recommend her.
The only downside of the apartment is the location. Hatagaya is not as well-connected at other places we have stayed in (basically only one line of subway which runs every 15-20 min), and there are no taxis available outside. Getting Ubers were very difficult and we had to wait 25 min for one to take us to the airport.