Taka & Tomo's place held 7 of us during the World Cup quiet happily and is a convenient 5 minute wander away from Kasai station.
Everything in the house comes with English instructions from non-natives (only thing missing from what I could tell was Microwave instructions) and each bedroom has it's own aircon unit 9it was HOT in Sept/Oct).
One house key is provided but we opted just to leave it in the lockbox whenever we went out so whoever was first back could get inside, this worked fine.
Would happily stay here again on return to Tokyo.
-James