The host was extremely kind and quick to respond to messages and questions.
The apartment was tinier than I thought, but I expected it to be because that's how all apartments are like in Tokyo. There are FOUR outlets for every bed, which is amazingggggg. You can charge your stuff for daysss.
My only complain was that there were very little necessities left in the apartment for our long stay. We stayed for 3 weeks and were only provided with 3 rolls of toilet paper for 3 people, less than 200ml of detergent for clothes, and minimal soap. But there's a 100 yen store very very close, so it wasn't expensive to buy more for ourselves.
The apartment was a bit of a walk to the JR station. But there are so so so many stores along the way, that the walk appears to be shorter than it actually is.
I got my nails done at a place along the walk called "La Fiore". Amazing designs for a reasonable price. Must book at least a day ahead because she's busy. Know at least some conversational Japanese because I don't think she knows much English and it'll take at least an hour to an hour and a half of your day.
Overall, I loved the place. Great neighborhood. Many restaurants surrounding the place. The nearest train goes straight to Ikebukuro, Shinjuku, and Shibuya. Great responsive host.
P.S. The wifi was really spotty, so I would still recommend to rent your own wifi. I don't know if it was because many people (3 people) were on the wifi, or we used too much data, but it was really slow.