Kusano and his wife are very hospitable and friendly hosts, who are very willing to help with recommendations, and provided directions to and from the airport without having to ask. They provide a wifi device to those who need it, and are both fluent in mandarin.
The room itself was cozy and spacious, and the basic amenities are all provided. The air conditioner doubles up as a heater.
The location is near a few metro lines, with a 24 hour family mart is right next door. It is right at the heart of Tokyo, and this makes it a good base to explore the city. It is also somewhat walkable to tsukiji market, and other popular districts like akihabara.