Day six of the Sealed Environment Phase commences, and Wakamura’s Squad relies on Hyuse’s knowledge to complete their assignments. Meanwhile, Suwa’s Squad takes on the day’s sim battles using Osamu’s strategy, but all of their moves end up being countered! Will they be able to bounce back in the rankings?

Earth is under constant threat from Neighbors, invincible monsters from another dimension that destroy our way of life. At least we have the elite warriors of Border, who co-opt alien technology to fight back!Our hero Osamu Mikumo may not be the best agent, but he’ll do whatever it takes to defend life on Earth as we know it.When Osamu meets a feisty humanoid Neighbor named Yuma, everything that he thinks is right is turned on its head. Can the two natural enemies ever beco...

It’s the final day of the battle simulation exercises, and the formerly superior Ninomiya’s Squad 8 is in decline now that others are exploiting the weaknesses of Chika’s units. While Chika grows more and more frustrated, Ninomiya himself is keeping tight-lipped about the whole thing… That night, it all comes to a head when an irritated Ema confronts Ninomiya!

Earth is under constant threat from Neighbors, invincible monsters from another dimension that destroy our way of life. At least we have the elite warriors of Border, who co-opt alien technology to fight back! Meet agent Osamu Mikumo, not the best, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it.

Earth is under constant threat from Neighbors, invincible monsters from another dimension that destroy our way of life. At least we have the elite warriors of Border, who co-opt alien technology to fight back! Our hero Osamu Mikumo may not be the best agent, but along with his Neighbor friend Yuma, he’ll do whatever it takes to defend life on Earth as we know it. Ever since they met, Osamu has protected the feisty Neighbor’s identity, but he’s about to get a rude awakening that Border has ...

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.

It’s round 8 of the Rank Wars, and Hyuse is heavily damaged and flanked by rival squads. The whole match hinges on two things: Chika’s ability to shoot people and the squad’s overall strategy against Ninomiya himself. Tamakoma-2’s ticket to the away mission depends on placing high in B-rank, and the final match is hurtling towards a conclusion!

Yuma's Neighbor identity revealed, the Tamakoma branch safeguards Yuma, Osamu and Chika by recruiting them to their group of powerhouses and eccentrics. But Border headquarters wants Yuma’s Black Trigger badly enough to send agents from its top three squads to steal it!

Should Border admit a Neighbor into its ranks? Jin and Arashiyama Squad think so, and they clash against headquarters’ top agents to preserve Yuma’s right to enlist. After a 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.

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?

With less than 16 minutes left until the crossroads Jin predicted, the endgame looms. Will Osamu make it back to HQ in time to save the cubified Chika?

The Rank Wars is racing towards a conclusion as the final squads battle to determine their final rankings. Katori is as difficult to deal with as ever, and her squadmate Wakamura is having none of it. But mid fight, Katori suddenly tells Wakamura that he gets to call all of the shots. Will Wakamura be able to handle the pressure? And with the Rank Wars over, the Away Team selection exams are on the horizon. But first, Jin and Rindo need to have a little chat with a handful of familiar Neig...