Any lover of science fiction, action and, of course, manga should enjoy 'World Trigger' by Daisuke Ashihara. ... When a teen named Yuma Kuga appears, Osamu is suspicious of his intentions.

World Trigger: Smash Borders is an action game puts players in the role of Yuma Kuga and friends as they protect Border HQ from attacking Trion soldiers. Watch a trailer for the smartphone version ...