Humberto Farit Castañeda Gómez

René is haunted by the ghost of a young girl. To break free, he must confront his school bullies, an absent father, and his own fears—while discovering the value of true friendship and mending his relationship with his mother.

After learning from his best friend Elena that Karla has a certain interest in him, Juan decides to approach Karla by writing a letter on Valentine's Day, unsure if Karla sees him as just a friend or something more.