>>3282560There are three different manga, each by a different artist and in different magazines.
>The Dirty Dawg Backstory about how the government and TDD came to be.
>Buster Bros vs Mad Trigger CrewSelf explanatory, starting from about where the drama CDs start off and going into further detail.
>Fling Posse vs MatenrouAlso self explanatory but starting a bit earlier than the drama CDs.