Kaori's apartment is spacious and lovely. I stayed for 6 nights and it really felt like home for me. You have got everything you need in this room. There's a laundry room also.
The area seems to be far from city center if you search on map. But it actually only take 15 mins to go to Ikebukuro where you actually can do all your shoppings there. If you want to go to shibuya, harajuku or shinjuku, you can take the subway and don't have to change lines. It takes around 30-40 mins which is totally acceptable.
Though some tourists may prefer staying in center, I myself prefer staying at places like Kaori's. There's a 7-11 within 2 mins walk from the apartment, a 24-hr supermarket within 5 mins walk. Also a local shopping street nearby where you can find loads of budget restaurants.
Last but not least, Kaori is super nice and helpful. She's the greatest host I have ever met. Please do take a break st Kaori's cafe and order her homemade cakes. They are so delicious. Kaori's cafe is also a small gallery. she supports local art students and exhibits their artworks at her cafe.
I would definitely stay at Kaori's place if I visit Tokyo again! Thank you Kaori!