Sleek and updated rooms in a shared space (almost a mini hotel). Gennaro and his assistant were very communicative and made our reservation, check in, and check out very easy.
The building itself is quite old and the lift is tiny, something to keep in mind if you have lots of bags or luggage. You can walk up, but the space is on the 5th floor, so be prepared.
Within sight of the Napoli Centrale train station which provides some trade offs. Very convenient if you're travelling via train, as you can get to/from the station in seconds. However the neighborhood definitely feels a little sketchy, especially after dark.
Overall a nice room for a night or two, especially if you're travelling to or from Napoli via train.