Yuichi Jin and the Arashiyama Unit repel the enemy. Receiving news of their elite squad's defeat, the Border Agency's headquarters starts to get nervous.

Aftokrator retreats, but the wounds of the war are deep. Border struggles to revitalize Mikado City, Yuma searches for the missing Replica, and Osamu remains unconscious. In his dreams, he recalls why he joined Border, and why he seeks to protect Chika.

The battle between the A-Rank attack unit and Yuichi Jin begins to rage. In the face of top-level agents, Yuichi tries to turn it into a test of endurance. But just as Shiro Kikuchihara gets by him, Yuichi's Black Trigger goes off!

Yuma defeats Viza but is low on Trion. Miwa is separated from victory. Osamu is captured by Hyrein within sight of Border HQ. Miwa activates Fujin and fires on Hyrein with Yuma. With 7 seconds to go until the foretold future, can Yuma and Osamu win?

Osamu, Yuma and Chika set their sights on joining the expeditionary force. First, they'll need to win a tournament called the Rank Wars.

Skillfully using Red Bullet, a Trigger for advanced users, Miwa proves himself the equal of Hyrein. Facing defeat at the hands of Viza's Organon, Yuma recalls what his father taught him. Taking Osamu's words to heart, he commits to a risky plan!

Yuma is invited to join the Border Agency’s Tamakoma Branch, and agrees on the condition that Osamu and Chika join with him.

Karasuma uses Geist to buy Osamu enough time to make it to the base with Chika's cube. While Geist is immensely powerful, it forces a Bail Out within 200 seconds. Can Karasuma change the future predicted by Jin?

After the Rank Wars against the B-Rank upper tier squads, Mikumo Squad tries to up their game. Yuzuru gives Chika an idea for overcoming her weaknesses, and Osamu gathers information about Hyuse, while an A-Rank Team leader tries to headhunt Yuma.

Director Shinoda corners Enedora in the virtual training room. However, Enedora's powerful Black Trigger attack are more than a match for the Border agents' group attacks. Meanwhile, Karasuma faces Hyrein and activates his true power, Geist!

Yuichi and Osamu's critical mission to investigate the abnormal gate puts a lot of pressure on Osamu. Meanwhile, Yuma follows Replica’s advice and conducts an investigation of his own. The next morning, Osamu and Yuichi have a fateful meeting with Yuma...

Hyrein's attack turns Chika into a cube. Osamu blames himself, but is inspired by his fellow Border agents to race for Border HQ in an attempt to save Chika

Osamu gets more trouble than credit when he claims to have defeated Trion Soldier Marmod. Really, he’s covering for the Neighbor, Yuma. Kitora, an A-rank Border Agent, is furious with Osamu for stepping out of line… But does she suspect the truth?

Suwa unit traps Enedora in a virtual training room. Director Shinoda goes to offer them back-up, and the tides begin to turn for Border. Mira's 7 Rabits block the evacuees led by Osamu, as the Aftokrator leader Hyrein heads out to capture Chika!

Border sees the Neighbor Yuma as an enemy… but Osamu is unable to view him as someone with hostile intentions, and trust begins to bloom between the two boys. Osamu finds himself caught between his own thoughts and the rules of the organization he belo...

Shuji and Yosuke are soon joined by two snipers and they wage a four on one battle against Yuma. Osamu seeks help from Yuichi for the human-form Neighbor but is told to stand down.