Both of the hosts were absolutely lovely and very helpful. Place was fairly clean and neat. This place size tho, I would recommend for 2 adults or a small family with small child if that. I booked for three adults and it was veryyy tight for three adults. Stairs pretty narrow and steep so if you book something 3rd level, be prepared to do some exercise as there is no lift.
Very close to shinjuku, and 5 min walk to Okubo station and lil more walk to shin-okubo station.