I stayed at Nerea's place for three days in October 2022 and overall I had a really good stay. The flat is situated approximately 25 mins walk to the city centre of San Sebastian and 20 mins walk from the bus station (Donostiako Bus Geltokia). It is really close to the football stadium in a really nice area. There is also the Euskotren station literally 5 mins walk from the flat.
Everything was as expected, the flat was recently refurbished with new appliances in the kitchen. The room is spacious enough with a comfortable bed. The bathroom was clean and during my stay was shared with other guests and this was not a problem.
I did not experience any problem during my stay and I hope to come again at my next visit to San Sebastian.