Merlin x Arthur fic

Hi! Does anyone know a Merlin x Arthur fic where Merlin is a fox, Arthur a wolf, and it's omegaverse? I remember it was on AO3 and Merlin was hiding his omega gender. I also remember it was near the end, and a scene near the end of the fic is where Merlin finally mates with Arthur. I remember Merlin made nests for all the Knights of the Round Table because they were in the forest and it was winter (I don't remember why they were there, but they were already filling a camel's worth of space). Arthur felt bad because Merlin hadn't made him a nest, but in the end, he discovers that he did make him one—a big nest for him and Merlin himself—in a cave, because Merlin wanted to mate with Arthur and they were going into heat. Arthur was surprised, and Merlin misinterpreted it, thinking that Arthur didn't really want him, but obviously that wasn't the case. When he appeared, Merlin's magic flowed freely and caused the surrounding land to bloom, the snow melted even for the Knights in their own nests outside the cave. That's what I remember. Please, I've been searching for almost two months.