Great location and wonderful place!! Will stay there again when coming to Tokyo.
The hotel is spotlessly clean and modern. It was perfect for us and nearby the Tokyo red line (3 minutes) as well walkable to Shinjuku station (10-15 minutes).
The hotel was initially tricky to find however if you drop a pin on your map and save the location on your phone. (even for us from the US using airplane mode the GPS worked) it was really helpful.
The proprietor of the hotel stayed late for us to check in (after 6pm) and we are really grateful for that. The hotel is also very close to a number of convenience stores, bars and restaurants.
Recommended!