Kaori's place is quite near to the Station Narimasu, just afew minutes of walking, and it will take about half and hour to reach Ikebukuro. There are plenty of supermarkets, restaurants, cafe, pharmacies etc across the railway. Walk further down to reach Chikatetsu Narimasu (underground MRT).
The apartment is an old building but the room is nicely furnished with traditional Japanese tatami room style. The surrounding neighborhood is quiet and peaceful. If you wish to cook, use hot water and fridge, just request to Kaori, she will help you to open up the gas and teach you how to use.
Kaori has a pretty little cafe at the lower level. It's a relaxing time chilling at her cafe, enjoying looking at the little little hand crafts displayed for sale over there, and having chat with the host or neighborhood.