María's friend and a member of the rock band Los Yakis Voladores. He is deeply in love with María, and her decision to enter the convent breaks his heart. He later becomes one of her competitors in the Sanremo Music Festival, which María enters to save the convent.
Ernesto harbors deep romantic feelings for María, which she does not reciprocate.
Explore the full interactive character relationship map of Sor Ye-yé