Serena Rosier is the Princess of Slytherin. The heiress who's adored, praised, and perfect at all times. Regulus Black is the Slytherin Prince, and they are always in competition with one another, no one even compares to them, but they seem to hate eachother, people often describe them as mirrors reflecting off of one another. Until their families announce they want them to get betrothed. Theyre both...secretly happy about it.