I have super complicated views of this hotel. On the one hand, the impossible to find hotels for groups larger than 3 in Tokyo, and this place fit the bill. It was generally clean, although there isn’t daily cleaning, which it feels like there should be for the cost (and we weren’t notified about this until right before checkin).
My two major complaints are that the hotel is noisy and the mattresses are about 5 inches thick—they’re thin and insanely hard, and I’ve never seen anything quite like it, including at other stays in Japan. For the price, a good night’s sleep seemed like it should be provided. We complained to the hotel and wanted to leave, but they wouldn’t refund the remaining nights, which also seemed inappropriate. So between the discomfort of the mattress, noise from the neighborhood, and inability to get a refund, I can’t recommend the place. It’s also a neighborhood that’s pretty inconvenient to the rest of Tokyo—be prepared to spend 30-60 minutes in transit to get anywhere, but that’s not the hotel’s fault. In short—if you can, stay elsewhere.