Myself and a few friends stayed at Yuko's place for a week while in town for a wedding. Yuko was a great host. Always very helpful and friendly. She has even compiled an extensive list of tourist activities, things to do and descriptions of the different Tokyo districts which is included in the house rules booklet.
The house had plenty of room, was clean and comfortable. Everyone in the group instantly loved the place and felt at home!
The location is great, being within walking distance of both Ikebukuro and Mejiro stations. The residential area is nice and quiet with some rather cool little shops nearby. Finding the place was no trouble at all with the instructions Yuko sent out.
Highly recommended.