Y/N is a transfer girl from the magic school Castelobruxo, too kind, too small, in a Great Britain and Hogwarts so cold. She arrives to begin her fourth year, and the whole nest of snakes starts to stir as soon as they see her, especially Tom Riddle and Regulus Black, the kings of Slytherin, acclaimed by all and respected by all, whether they like it or not, they are now bound to you by the Bond.Lack of control and control, possessiveness and jealousy, parties and fire,how y/n is going to do it?