Square Enix has announced a special offer being conducted at its North American digital manga distribution site, the SQUARE ENIX MANGA STORE.

For a limited time, eligible users will be able to download the first volume of numerous popular comic series free of charge. There are 15 titles available for the free downloads, and they include Fullmetal Alchemist, Soul Eater, PandoraHearts, Nabari no Ou, and Black Butler. These digital edition first volumes have a $5.99 value. The deal will run from July 20-August 10, 2011, with the offer concluding at 6:00 p.m. PDT on August 10, 2011.

To become eligible for these free downloads, you need to acquire the URL for the special offer page from a flyer being handed out at Comic-Con International 2011 or by “Liking” the official Square Enix Manga Facebook page.