Joan is a 14-year-old girl who lives in Sant Viçents Dels Horts, near Barcelona, Spain. She lives with her parents and sister Amanda in a large, semi-detached house with six rooms. Joan attends Grabiela Mistral Secondary School, where she is in the third form and enjoys her classes, especially physical education and natural science. However, she dislikes math. Joan's best friend is named Raul.