Another great stay! We had recently stayed here and enjoyed it so much, that when we needed to stay some place again, we happily chose Culture Villa again! It's a very clean, modern apartment in Tokyo's Ota City. The beds are nice and big, there's an elevator in the building, and for being in Tokyo it's pretty quiet. There are some train stations nearby (Kojiya and Keikyu Kamata), but it's a bit of a walk (~20 minutes) to bigger JR Kamata station. It's close to several convenience stores and Maruetsu (grocery store). The host is very nice and promptly responded to anything that we brought up.
The automated check-in tablet and key box at the entrance is a little tricky to figure out. There are 2 different codes: a reservation code that you are given in an email through Airbnb, and once you've checked in on the device, you are given a 2nd code to enter into the keypad to unlock the key box. Be sure to write this 2nd code down, as you will need this at check-out to return the key!
If we ever find ourselves in need of another stay in Tokyo, we'll know where to turn!