We really enjoyed the apartment. The apartment is quite large and modern. We had enough space as a family of 5 in the bedrooms and living room. There is a balcony and daylight comes in from the windows behind the curtains.
Yk is very responsive and helpful and made our stay comfortable. He has some good tips on what do to in Tokyo and with the portable WiFi device it was easy to travel the city and find fun things to do.
It has many restaurants in walking distance and is close to the Ueno Train station which has direct service to the Airport and other stations in Tokyo.
It´s a great place to stay and Yk is doing a great job.