Serima is really a Super Host! She is a bright person and easy to talk to,she gave me several recommendations for my travel as well as a useful map. She travelled in many countries and will always be happy to talk about yours. The fact that she befriended several of her previous guests and are still in contact with them should tell enough. She also provided towels, a toothbrush, shampoo etc.
There are several convenience stores around as well as a subway station at around 100m from the house. She also provide Wi-fi, a warmed toilet seat (very nice) as well as a kotatsu.