Great room and great price, but reflects the area of Napoli it is situated in, central and super close to the train station and city activities but it is in a developing area. Do be extra careful of Napoli in general as theft is high (I experienced a very unfortunate theft by a man on moped) and as female solo traveller, be even more mindful.
This of course bears no fault of Francesco as a host as he was super lovely and the room but important things to take into consideration when staying in such a central part of Napoli; as rental amount I think reflects that.