AMAZING location. Very comfy for a solo traveler, as I was. The space is small, but has everything one could need for a week or two stay. The bed is a great size and the kitchen is totally functional for light cooking. I prepared some simple food for myself on the induction burner). Ultimately, this spot is an incredible value, given the location. Short walk to Shibuya and Ebisu, tons of restaurants around, but also manages to feel like it's just outside the Shibuya mayhem in a great way.
Only detail worth noting: the room faces right out on the train tracks. It's not super loud or disruptive IMO -- I had no trouble sleeping at all, and the trains stop sometime after midnight anyway. But if you're a very light sleeper, you might want to use earplugs (which they provided!).
Lastly, if you're into jazz, there are two sweet tiny jazz bars within a 2 min walk. Both give you the feel of sneaking into a very local Japanese scene. Cafe Terao and LEZADO. Check them out!