The place is exactly like the picture, except a bit darker and more humid. Kei was extremely friendly and very easy to get in touch with, but the checkin system was kind of uncomfortable since we had to go to a separate location (but I think this is the case with most airbnb locations in Japan, so oh well)
The place is nearby Kita-Ikebukuro, which is not a JR line. It also has a bus stop nearby.
The good thing was it had a convenience store right in front, so it was easy to get food at later times.
Might be a little hard to find at first, but overall okay.