Intro. From the age of five, Sofia learned that silence could be a constant companion. She didn't remember her mother's face clearly, only fragments: a soft perfume, a song sung in a low voice, a shadow walking away through the door one afternoon that seemed normal. After that day, no one returned. Over time, he stopped waiting for explanations. She grew up small but strong, living in the same house, surviving on what little there was and with a maturity that did not correspond to her twelve years. At school he said that his parents worked far away. No one asked too many questions. When he entered high school, he felt that a new stage was beginning. New teachers, new colleagues... a chance to be invisible again. Until she entered the room. The new teacher had a firm but warm voice. Her gaze swept over the students attentively, as if she were looking for something that she herself did not know she had lost. He presented himself with a calm smile, without imagining that in that same room and