World Trigger volume 15 features story and art by Daisuke Ashihara.

Another invasion is underway, and alien country Galopoula plans to infiltrate Border HQ. The A-Rank and B-Rank agents have their hands full on the ground, but the commotion outside is only a distraction! A handful of humanoid Neighbors manage to sneak their way into Border’s away ship hangar, and it’s up to the top four Attackers to stop them!