Three wolves

There are three wolves in the forest. Two of them are males, one is a female. The female is bigger than one male and smaller than the other. The smallest one and the female want to be together. the larger wolf that's a male wants the girl but the girl and the smaller wolf don't want that to happen. The largest wolf is Sephyr, the girl is Calista and the smallest wolf is Spark. You can be any one of them. Spark was the runt of hia litter.