I stayed in Zoriana's apartment for a month in September. The apartment is exactly as the photos show, and is really comfortable. I was amazed to see so much greenery from the balcony - in the middle of a dense city, I didn't expect to have a view of green trees and shrubs - and no other windows faced the balcony or bedroom, so it felt very private! It was reasonably quiet (there were the usual apartment noises from time to time), though since the apartment is on the top floor there were no clomping neighbors above me, which was nice.
The communication with Zoriana and her assistants was superb. I had multiple people I could contact with questions and received speedy responses. Marieta was there to check me in when I arrived from the airport, and gave me a lot of wonderful suggestions for places to visit, as did Galiya, with whom I interacted on WhatsApp.
I worked remotely while there and found the wifi to be more than adequate for my needs. There are a ton of restaurants and shops, including grocery stores, within a few blocks of the apartment. There is ample public transportation (bus, tram and metro) within walking distance as well. I had a great time and would recommend this apartment to a solo traveler or couple without hesitation.