This little gem of a house is hidden among skyscrapers in the heart of Tokyo.
The house itself is very cozy, and is filled with bedrooms and bathrooms. We were 8 people. 3 couples, and 2 single guys. And still there was room for 1 more single guy. (Even more if you don't mind sharing bedrooms as singles). The beds are big and comfy. High quality AC in every bedroom. 3 toilets and 2 separate showers made mornings easy, even for such a large group. The kitchen/livingroom has everything you need to make food and drinks. And a large fridge.
And if you do just rent a room, they all come with keys to lock. I imagine this house is perfect for sharing with new people.
The owner and her son cleans the common spaces every day, and are the nicest hosts any of us ever had. One of us got a heat stroke one day (stay hydrated!) and they helped him to the hospital and everything.
Short walks to 3 different subway/train stations makes traveling the huge city quite easy. Including walking, we never traveled more than 30 minutes. Google maps is your best friend in finding out which station and platform to take.
The immediate neighborhood is an unexpectedly quite place for such a big city, and if you're too tired to travel for dinner one night, you can just walk 10 minutes in almost any direction from the house to find lots of great restaurants.
I recommend this place 10 out of 10 times! If we ever come back, this is where we'll want to stay again!