I stayed in this room at Hiroya's place for eleven nights, and overall I would have to say that was a bit of a mistake. Let me clarify that this is no slight to the place as a whole, but this specific room I chose was way too small to accommodate a lengthy stay, even for one person. I got to see most of the other rooms, and I think most of them would have been just fine for a lengthy stay, but this one is truly tiny and I can't recommend anyone stay in it for more than a few nights at a time.
That said, the place as a whole and its shared amenities fit my needs very well for the whole stay. Loved having a dryer available in the place, something not common among many places I've stayed. The shower is only hot water, so it took some work at times to get it to a usable temperature, but it operated well overall. The men's bathroom smells pretty strongly of urine (probably exacerbated by the high temperatures) but it works fine at least.
I met Hiroya as I arrived; I never saw him after that, but that one time was all I needed as he walked me through everything I needed to know about the place, was very courteous, and I had no issues needing attention afterward.