Trails of Blue is set some months after the ending of Trails of Zero, as the Special Support Section (SSS) are joined by new recruits - the Army sergeant major Noel Seeker and the former gang leader Wazy Hemisphere, and follows them as they deal with trouble as the country hosts an inter-governmental forum, is attacked by terrorists, is used for another Ouroboros plot, and is engulfed in a nationalist fervor that leads to it declaring independence and the Erebonian empire and Calvard republic both opposing it.
