The flat is nice and as described however we had issues finding the place (a train and a bus from the city centre) and following Jung Soo's emailed instructions. Phoning, whatsapping and emailing Jung Soo we had no response until 10pm at night. She had told us where a key would be, but we didn't know if she was also staying in the flat, which was a little unsettling.
The second thing was it said 'Vegan Breakfast provided', with Zurich being a very expensive city we assumed a good breakfast would set us up for the day. Instead we had half a jar of museli, no soy milk, no bread and half a jar of peanut butter and a half opened carton of apple juice we didn't know how old it was. I'd expect a BnB breakfast (even a vegan one) to include cereal (ideally a choice) and toast, ideally also fruit and pastries, coffee and juice. Or not to offer breakfast, then we wouldn't be expecting anything. When we contacted Jung Soo (via email) she was apologetic about the milk but obviously wasn't expecting to provide any sort of bread or toast. However when I pushed this she did agree to give us some money off the stay to cover the cost of us having to go out and buy breakfast.