 In 1999, he went back to the De La Salle University to teach a website design course for a term.During this period, he collaborated with writer David Hontiveros on an independent comic book, "Pantheon", marking Vergara's return as an artist to the comics medium.His first foray into self-publishing was in 2001, when he produced, wrote and illustrated "One Night in Purgatory", a short comics tale about homosexual love.