World Trigger Series by Daisuke Ashihara, Sarah Tangney

Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.Upstanding Osamu always does the right thing, whether it means pitching in to save Earth after school or turning the other cheek to bullies... moreDestroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.Upstanding Osamu always does the right thing, whether it means pitching in to save Earth after school or turning the other cheek to bullies. But when he meets a feisty humanoid Neighbor named Yuma, everything that he thinks is right is turned on its head. Can the two natural enemies ever become friends? less

Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.Ever since meeting Yuma, Osamu has protected the feisty Neighbor’s secret through a combination of covering up and taking credit for Yuma’s actions... moreDestroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.Ever since meeting Yuma, Osamu has protected the feisty Neighbor’s secret through a combination of covering up and taking credit for Yuma’s actions. Turns out, though, Yuma isn’t the only person Osamu’s been protecting. He sets in motion a plan to help his friend Chika, who for mysterious reasons seems to attract Neighbors. And it also becomes clear that Osamu isn’t covering for Yuma as well as he thinks… less

Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.Border headquarters wants Yuma’s powerful Black Trigger—and they want it desperately enough to send their top three squads to steal it... moreDestroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.Border headquarters wants Yuma’s powerful Black Trigger—and they want it desperately enough to send their top three squads to steal it. The Tamakoma branch is one step ahead, having already safeguarded Yuma, Osamu and Chika by recruiting them to their group of eccentric and talented agents. And Jin’s precognition powers put him two steps ahead: he ambushes the thieves en route! less

Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it... moreDestroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.Should Border, Earth’s defense agency, admit a Neighbor into their ranks? Jin and Arashiyama Squad think so, and they clash against headquarters’ top agents to preserve Yuma’s right to enlist. After the brutal fight against his friends and peers, Jin makes an unimaginable sacrifice to put an end to the hostility and protect Yuma’s future at Border. less

Border headquarters is abuzz with gossip about talented new rookies Yuma and Chika. But it’s Osamu who attracts the most attention when an A-Rank agent challenges him to a duel. Then it’s Yuma’s turn to fight when another A-Rank agent challenges him! Plus there’s that meeting with Border’s top brass that they just got called to… Is there such a thing as too grand an introduction?

Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.It’s a Neighbor invasion! Trion soldiers swarm Mikado City, wreaking havoc and capturing isolated Border agents... moreDestroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.It’s a Neighbor invasion! Trion soldiers swarm Mikado City, wreaking havoc and capturing isolated Border agents. When the sinister humanoid Neighbors orchestrating the attack target Chika for her massive Trion, Osamu may be the only one who can save her! But can a B-Rank agent compete against the surprising power of this new alien foe? less

Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it... moreDestroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.Humanoid Neighbors from another dimension enter the battlefield for the first time! With strange Triggers that defy explanation, the Neighbors make quick work of Border’s top agents until they start to fight smart. Can Border turn the tide of battle in time to save the Earth? less

Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it... moreDestroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.As the Neighbor invasion continues, Osamu’s brave defense of Chika lands him in combat against the Neighbor commander! Border’s weakest agent will have to do better than his best to win against a Trigger that seems to generate life itself. less

Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.Osamu has less than sixteen minutes to safely deliver Chika, who’s been cubified, to HQ... moreDestroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.Osamu has less than sixteen minutes to safely deliver Chika, who’s been cubified, to HQ. Will Osamu make it in time or will the crossroads Jin has foreseen lead to the worst possible outcome for everyone? less

With only seven seconds left until the crossroads, time is running out. Black Triggers face off as Miwa activates Fujin to bring the invasion to an end. But can everyone really escape the worst possible future?

Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he'll do whatever it takes to defend life on Earth as we know it.After the recent Neighbor invasion, thirty-two agents went missing and Osamu, Yuma and Chika, a.k.a. Tamakoma-2 Squad, intend to go get those people back... moreDestroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he'll do whatever it takes to defend life on Earth as we know it.After the recent Neighbor invasion, thirty-two agents went missing and Osamu, Yuma and Chika, a.k.a. Tamakoma-2 Squad, intend to go get those people back. But first they need to rank up through the Rank Wars. Having won their first match, they must now prepare to face off against Arafune and Suwa squads in the middle B-Rank Wars. less

Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he'll do whatever it takes to defend life on Earth as we know it.Having defeated Arafune and Suwa squads in the Rank Wars, Tamakoma-2 settles nicely into the middle B-Rank group... moreDestroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he'll do whatever it takes to defend life on Earth as we know it.Having defeated Arafune and Suwa squads in the Rank Wars, Tamakoma-2 settles nicely into the middle B-Rank group. Their next match is against the infamous Suzunari-1 and the all-female Nasu Squad, both of which have their own ace Attackers! Can Tamakoma-2 overcome this challenge and fight its way into the top group without getting washed away by the tide? less

Sci-fi action series where Osamu and his alien friend team up with their pals to fight off invading aliens.Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it... moreSci-fi action series where Osamu and his alien friend team up with their pals to fight off invading aliens.Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.Having fought their way into the top B-Rank group, Tamakoma-2 gets to battle it out with the big boys for a chance to make A-Rank. Can this squad of rookies win against seasoned veterans who are nicknamed the "A-Rank Reserves"? less

When alien Neighbors invade, sci-fi action is right next door.Destroy thy Neighbor! Gates to another dimension burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it. Another invasion is underway, and alien country Galopoula plans to infiltrate Border HQ... moreWhen alien Neighbors invade, sci-fi action is right next door.Destroy thy Neighbor! Gates to another dimension burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it. 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! less

You thought your neighbors were bad...but at least they're not aliens trying to kill you! Destroy thy Neighbor! Gates to another dimension burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he ll do whatever it takes to defend life on Earth as we know it... moreYou thought your neighbors were bad...but at least they're not aliens trying to kill you! Destroy thy Neighbor! Gates to another dimension burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he ll do whatever it takes to defend life on Earth as we know it. Galopoula s invasion is swiftly brought to an end thanks to an unlikely ally. The Rank Wars continue with Tamakoma-2 going up against B-Rank Katori and Kakizaki squads. Will the new tricks that Tamakoma-2 learned from their mentors be enough to be help them win?" less

You thought you neighbors were bad...but at least they're not aliens trying to kill you!Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it... moreYou thought you neighbors were bad...but at least they're not aliens trying to kill you!Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.The Rank Wars match against Kakizaki Squad and Katori Squad continues, and Tamakoma-2 isn’t pulling their punches. It’s as if the other two squads don’t stand a chance against Osamu and Yuma’s new combination technique! Could this be the push Tamakoma-2 needs to sweep the rest of the competition? And what’s this about a new squad member?! less

You thought your neighbors were bad...but at least they're not aliens trying to kill you!Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it... moreYou thought your neighbors were bad...but at least they're not aliens trying to kill you!Destroy thy Neighbor! A gate to another dimension has burst open, and invincible monsters called Neighbors invade Earth. Osamu Mikumo may not be the best among the elite warriors who co-opt other-dimensional technology to fight back, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it. With the final matches of the B-Rank Wars looming over Tamakoma-2 and the other B-Rank Squads, all the agents are practicing and doing their best. While everyone is hashing out new strategies, Ema from Kageura Squad considers throwing his next match against Tamakoma-2 to help Chika stay with her friends on the away mission. But Arafune reminds him that Ema also has the power to protect Chika on the away team! less

With the final matches of the B-Rank Wars coming up, Tamakoma-2 gets its chance to go up against Suzunari-1, Azuma Squad and Kageura Squad again. This time is different—Hyuse is an official member of Tamakoma-2 and ready to shake up the competition. But Suzunari-1 has a trick up their sleeve when Taichi suddenly cuts the lights in the arena, causing a total blackout....