The ex-girlfriend flashback was shot one month before the locations, and the location scenes were shot in 2 mornings. The short film was shot only in 3 days between 1 month.
This story "really happened" to David Díaz when he held an internship in "TVE Torrespaña". He got the same "tough" with a newspaper, but it happened in the underground and the newspaper was from the week before. David finally decided to make the story into a comic short film.
David Díaz: [cameo appearances] Jesús Alarcón who was actually the director of photography appears as the weird-looking guy in the street.