Invincible monsters from another dimension invade Earth in *World Trigger, Vol. 6*. Join Osamu and Yuma as they fight to defend humanity against Neighbors using other-dimensional technology. Trion soldiers wreak havoc, and Chika, with her massive Trion, becomes a target. Can B-Rank agent Osamu protect her against the power of the alien foe? ISBN: 9781421579139. Author: Daisuke Ashihara.