Reirei left us a welcome gift with some snacks which were very tasty and appreciated. We stayed for about a month with 4 people, I imagine it'd be fine for a short stay but for a month it's a bit cramped. We had two pieces of luggage each and it really shrank the room down. The room itself was very clean when we arrived, with exception to the restroom and the smoke from the other tentants.
The stool in the restroom was moldy and it caused the entire bathroom to reek of mold, we aired it out and removed the stool which helped a good deal but it still lingered a bit. We left for a week and went to Hokkaido and came back to the same moldy smell, even with the window open it didn't help. The towels also had a slight mold smell to them as well, even after washing them it still smelled. I've informed Reirei so hopefully she replaces them as well.
At night, the bar in the basement has smokers that smoke in the stairwell of the building and in front of it so it's a chimney. The front door doesn't have a seal because of the mailbox so it just leaks into the room at night. The bathroom vent also allows the smoke to come in and it's like a hotbox. I'm sensative to smoke so it was very hard to sleep at night. I've informed Reirei about it and hopefully she can fix this for the next guest.
We didn't use the kitchen for cooking, only to wash a few plates so no comment on that. It seemed to have the essentials you'd need to cook a small meal. Do note, the toaster is a 1-toast slice size. The garbage sorting was very easy here, which can be a bonus to guest new to Japan's garbage sorting.
The washing machine is 42L max so expect to do serveral small loads often. There is no seperate dryer so everything is hung dry.
The location is great, station is extremely close, family mart and lawson on the corner. The late night options are more limited around Ootsuka so you do need to travel out to Ikeburo or something for a late dinner.
If you're looking for a short stay and don't plan on being in the apartment much besides sleeping and showering, this can be a good place for 4 adults. 6 may be pushing it but if you're on a budget you'll manage.