We had no issues while staying here. The place was easy to find and check-in was even easier. Host provided great instructions and was quick to respond to messages. That said this place is nothing to write home about.
If you're fine with a very small room that barely fits two people and their luggage while sharing a shower & toilet, albeit very clean, with two other rooms then you won't have much to fuss about. We never saw the other people staying in the rooms, only heard them coming and going a few times.
If you're a taller person then you may not fit. I'm just under 6ft / 1.8m and I was very close to reaching both ends of the room while laying in the futon bed.
Location was pretty good. Took about an hour to get to from Narita. It's close to Ueno Onshi Park which has lots of museums, there's plenty of food options within walking distance, and not too far from a few different stations for easy access to the rest of Tokyo. If you like coffee checkout Shi-ten just a stones throw away.