Midori was an awesome host! The place is very spacious, comfortable and the shower has super strong pressure and the bath was big! I would totally stay there again and again and again. The place is about 5mins walk from Okubo station, maybe 10mins from Shin Okubo station. There's a supermarket right under the building that's open late.
Check in process was seamless and instructions were very clear. Thanks Midori San!