Ken’s place is in a great location! One station away from the Yamanote line (to get all over Tokyo). We always had quick replies from Ken and found the place really easily thanks to his instruction video :) the beds are super comfy and we had 6 people stay comfortably! The only negative I would have to say is there are strict sound rules (which is common in Japan). But most of the windows are boarded up and there are sound rules posters all over the house and a sound detector - it’s slightly overboard. Also they have a small reception check in desk inside the apartment that was attended when we first checked in. It was okay but we weren’t sure if she would be staying downstairs at the desk during our stay and asked for her not to be as it would be a bit weird. She was VERY friendly though and helped us check in which is very kind of her :) I do appreciate her service and Ken’s.
Also please note there are 3 floors and the stairs are steep (like Amsterdam). Just be aware if you are not a fan of stairs.
Overall a good stay and would recommend in future :)