World Trigger manga volume 25 features story and art by Daisuke Ashihara.

It's day two of the sealed environment phase of the away mission exam, and the examinees are diving into the demanding battle simulation, a strategy game that pits squad against squad! Unfortunately for Osamu and the rest of Suwa's Squad 7, their first opponent is Mizukami's Squad 9, which is already at the top of the test rankings. Does Suwa's Squad 7 have any hope of clawing its way up from last place?