They got three rooms.
It wasn't even a surprise at this point. Kat was pretty sure that Yang would've been perfectly happy to share a room with the other two girls. Despite this, Xiang just couldn't come up with a good enough argument while dealing with all of his hormones. It was actually kind of sad towards the end. The receptionist lady could see it as well, if the slight upticks of her mouth said anything. See, Yang had been providing increasingly poor arguments up until the point she was just straight up wrong for the last two. Despite this, they were all said suggestively enough Xiang had figurative smoke spewing from his ears.