Kei's studio is very small, though big enough for two very intimate people. I say intimate because there's no way to get any privacy. The shower is in the corner of the room, so when you step out of the shower, you're in full view. Also, there's only a partial wall separating the toilet from the rest of the room (no door), so all sounds and scents are audible and discernible by all occupants! There's nowhere to hang your clothes, so expect to leave them in your suitcase(s). The water in the shower never got above lukewarm, if even that, so expect somewhat cold showers. Kei said to let the water run for a long time, but even doing that didn't seem to help.
The positives are that the location is great and Kei was very responsive. She tried to help in whatever way she could, but not much could be done about the cold showers. She's very sweet and if you can tolerate the negatives or if you're traveling alone, her place might be perfect for you!
There's a shopping plaza minutes away with a nice place for breakfast or lunch (Jack's), Uncle Clay's House of Pure Aloha (for shave ice), and Foodland for groceries or deli items; very convenient.
This could very well be a 5 star place for somebody looking for more affordable accommodations, but I think the lack of privacy and the cold showers kick it down to 4 stars for me. If it was only based on Kei and the location, I'd give it 5 stars!