Marvin Josué Arauz Vargas is 13 years old and is in his first year of high school. His favorite color is red. He has two brothers and his mother is a housewife, while his father suffers from diabetes.

Marvin is a persevering child who, despite family difficulties, remains firm in his aspirations for the future. He dreams of becoming a mechanic and learning English. His greatest wish is to be able to study at the private Millennium school.