This unit in Okubo is new, clean and well maintained. We like the lay out with enough space for us six to sit in the living room. Kitchen is equipped and fully functional. The unit stands alone so we did not easily disturb the neighbor and there is even a parking slot. Okubo street is lively sometimes too crowded and restaurants here are mostly serving Korean food.. not too many Japanese restaurants.
On the downside, the unit has its living room and toilet only in the 2nd floor so it not suitable for elderly travelers who must climb narrow staircases. Also the nearest train station in Shin Okubo does not have an elevator, thus quite it was a hassle to bring large suitcases up and down.