My friend and I enjoyed staying at this place. After staying at a few places where the bedding arrangements were quite squished, it was nice to have the bunk beds.
Location was great - 5min walk to a station that is 2 stops away from Shinjuku which is very central and connected to anywhere you want to go. There is a Lawson, supermarket and a number of little restaurants by the station (we tried the Juicydumpling place which was great).
We didn't realize there were separate wifi codes for the house and portable unit, but this was clarified by the hosts. All communication was quick and helpful.
The location from the Airbnb page is wrong, but the hosts provide super clear directions with photos so it is easy to find :)