Located 5-6 minutes walk from Hasunuma station, and about a 10 minute walk from Kamata, this place is small but has everything you need and more!
The wifi is great and TV is avaliable, but for on-demand videos and movies I recommend bringing/purchasing a Chromecast or Apple TV or something of the likeness.
Very conveniently, there are at least 3 convenience stores within 5 minutes walk, two of which are by Hasunuma station so you can easily shop for groceries and alike on your way home.
There is technically only one room (not counting the bathroom), so if you are two people you will be spending 99% of the time together if you are in the apartment, just a heads up. Also, the bathroom is very small and there is only one mirror, so again if you are two people, be prepared with patience.
The host is very helpful and polite and I had absolutely no trouble with either communication, or anything else for that matter.
This place is highly recommended!