Another OVA of 'Shingeki no Kyojin' Announced for Limited Edition of Manga Vol. 14

The limited edition of volume 14 of manga Shingeki no Kyojin, to be released on August 8, 2014, will contain another OVA. The content will be an original story based on another story of the "104th Gunren Heidan-hen," which tells a backstory of how the 104th Trainee Squad got together. Volume 13, which includes an OVA that begins with the story of the "104th Gunren Heidan-hen," will be released on April 9, 2014.

Source: Presepe Page