In the thrilling world of "World Trigger," mysterious portals known as "Neighbors" suddenly appear, threatening humanity's safety. To combat this new threat, an organization called Border is formed, comprised of skilled agents equipped with advanced technology and weapons to defend their city. Our protagonist, Osamu, a young trainee with a strong sense of justice, finds himself thrust into the midst of these interdimensional battles when he encounters a powerful Neighbour attack. Teaming up with the enigmatic and powerful agent, Yuma, Osamu must quickly adapt and hone his skills to navigate the dangerous world of Border and protect his home. As Osamu and Yuma face increasingly dangerous adversaries and uncover the secrets behind the Neighbors' existence, they forge strong bonds with their fellow agents and face moral dilemmas that challenge their beliefs. With intense battles, strategic showdowns, and unexpected twists, "World Trigger" showcases the resilience of the human spirit in the face of overwhelming odds. Join Osamu and Yuma on their gripping journey as they strive to protect their world from the unknown forces that threaten its very existence.