We originally booked for 2 weeks but left after 2 days only because the internet was limited to 2gb per day as the internet was from a pocket wifi, and I needed much more since I was working remotely.
But If you are a traveler looking for a place in Shinjuku with a good cost per value, Keita's place is what you need. It has everything you need and Keita is quick to reply to make your stay comfortable