Highly recommend this host.
Fast response, excellent location (there is a 7-11 about 2 minutes away, also lawson 100 and a family mart). There are two stations on a walkable distance (one of then being Ikebukuro station at about 1.4Km).
There is good kitchen supply - enough to prepare breakfast and quick meals.
The only difficulty I had was to find the exact location when I arrived, but people helped us and everything was fine.
If you are coming to Tokyo and want a quiet and accessible place to stay, please, consider this host!