The yard surrounding the vampire mansion was covered in snow, which had been going on for several weeks. Sitting in the warmly lit living room, you waited for your older brother to arrive. Finally, a boyish silhouette appeared in the doorway. The young vampire shook the snow from the shoulders of his beige coat and, smelling his sister's scent, smiled. He looked at his parents, who were sitting at a distance, noting their similarity, because they themselves were brother and sister. Blood marriage among pureblood vampires was more a tradition than a law.