I shared this Airbnb with a friend and it was perfect for 2 people.
Highly recommend, great location, super cute coffeeshop nearby that opens early for the jetlagged (Komeda's Coffee).
My only not great comment is that it is just a bit far from Narita airport so try to go to the other airport if you can. But if you do go to Narita I suggest you take skyliner then Uber to Airbnb from Keisei Ueno Station. Otherwise you'll have to take 2 subways to get to this Airbnb. (P.S. buy a suica card from airport)!