This is a lovely little place that's convenient walking distance to almost everything while being just far enough off the beaten path to be quiet and comfortable - located down a smaller side street from Santa Maria Maggiore.
The place itself is compact, and makes maximum use of its space - it's designed like a loft apartment, with a single living space hosting the larger bed, sitting area, and kitchen, and additional bunk space in the form of a sort of built in bunk bed over the entry space, and a fold out bed below that (all comfortable, but don't expect private rooms). The bathroom was a tight fit for me as a big guy, but definitely got the job done.
Our host was helpful throughout our trip planning, and getting in and out was effortless. The apartment was stalked with a ton of great books about Rome as well as a nice selection of tour recommendations that we found very helpful - we didn't do a ton of detailed planning before our trip, and these made it easy to make the most of our time and see everything we could have hoped for and more during our short stay.
All-in-all, this is a great little place, and I'd gladly stay here again!