we had a very nice stay at this apartment. it is exactly as advertised. it is clean, roomy and modern. keyless entry was super convenient so that anyone can come and go separately. getting to the apartment was a very easy walk from chuo line okubo JR station. another 4 min walk from yamatone line shin okubo JR station which we walked to for our flight home out of narita, to catch the keisei ltd express from nippori station. keisei trains from narita are very compelling option just an fyi... i only learned of that while in tokyo.
we found the apartment easily enough. within 100 ft of okubo station, there was a 7-11 and a family mart you might prefer over the my basket at the apartment. we really loved torikizoku restaurant, where everything is 280 yen. loved it so much we went twice, in shinjuku. of course 8 days in, we found there was one right there next to the okubo station! you will absolutely love torikizoku. you're welcome.
we were there in aug so it was hot... a/c worked great. controlled by a remote, you need to turn on the units in three separate areas - living room, bedroom and the alcove/second bedroom. washer was great to have. listing says dryer but its not a dryer. washer goes into this super spin mode that leaves clothes dry in spots. most everything was dry by morning after hanging the night before. in both cases there were no instructions but i managed to get them to work.
wifi - in house and the pocket unit worked great. i took the pocket wifi on our trip to kyoto and hiroshima and while you encounter dead spots, it worked fine. we had our phones on airplane mode the whole time, and when connected we were able to use wifi enabled calling and text.
the listing is very accurate. i had very high expectations and they were met. midori is super responsive... she would reply within minutes. not sure she ever exceeded 5mins. i would happy stay here again and highly recommend the apartment.