Season 1 · Episode 45 — The Thing That Decides the Battle

Approximately four years ago, a gate to another world opened in Mikado City, and invaders called Neighbors appeared.

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 be…

Combat-use Trion Soldiers attack when a gate opens in Osamu’s school just outside of the Forbidden Zone. Worried he’s not strong enough, Yu…

Osamu gets more trouble than credit when he claims to have defeated Trion Soldier Marmod. Really, he’s covering for the Neighbor, Yuma. Kit…

Kitora boldly jumps onto the back of Ilgar, a new type of Trion Soldier, while it’s mid-flight and bent on attacking the city below. Sudden…

Yuichi and Osamu's critical mission to investigate the abnormal gate puts a lot of pressure on Osamu. Meanwhile, Yuma follows Replica’s adv…

Osamu reaches out to Yuma and Replica. He and Chika learn some critical information about Neighbors from Yuma, but they're soon discovered…

A-rank agents Shuji Miwa and Yosuke Yoneya make an assault on Yuma without even asking what happened. Osamu calls Jin to help.

With Shuji's squad singlehandedly defeated, the Border Agency's executives order Yuichi to defeat Yuma and recover the Black Trigger. Osamu…

Jin encourages Yuma to join the Tamakoma branch. Yuma accepts it if he can team up with Osamu and Chika.

Osamu hears from Replica about why Yuma came to this world, and from Chika about her true feelings.

Osamu, Yuma and Chika decide to join Tamakoma branch to go to Neighbor world as A-rank agents of the expedition force. They go into rigorou…

Commander Kido fears that Tamakoma branch will become too powerful. He orders A-rank agents who belong to the headquarters to take Yuma's b…

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 te…

Yuichi finally reveals his "Wind Blade" technique with the Black Trigger. As his battle with A-Rank vets Kei and Soya reaches its climax, t…

Yuichi Jin and the Arashiyama Unit repel the enemy. Receiving news of their elite squad's defeat, the Border Agency's headquarters starts t…

The day of Yuma and Chika's initiation into the Border Agency arrives. Osamu nervously stands by in support, while they draw the scrutiny o…

Osamu readies for his practice fight against Soya Kazama. Soya is a symbol of overwhelming strength, while Osamu has yet to land a hit in o…

Osamu doesn't know how to deal with his new reputation as "the guy who tied with Soya Kazama". He is soon challenged by one of his fellow a…

Yuma and Shun Midorikawa's fight begins. Yuma quietly rages over Shun's humiliating public defeat of Osamu. How will he fight against the A…

The Border brass puts together a strategy based on Replica's information about Neighborhood. Meanwhile, Yuichi Jin senses impending danger…

The Neighbors' large-scale invasion finally begins. The invading army of Trion soldierrs is countered with a defense strategy. Just as the…

Border seeks a way to counter the new Trion soldier, Rabbit. Yuma prevents Trion soldiers from infiltrating the city, but is mistaken for t…

Trion soldiers from Aftokrator appear all over Mikado City. Border is forced to divide its forces to deal with their numbers. Chika's C-ran…

The C-rank units are revealed to be the true target. The battle intensifies as Hyrein sends humanoid Neighbors Enedora and Ranbanein into c…

Aftokrator's humanoid Neighbors are unveiled. These so-called Horn Triggers overwhelm the Border agents with powerful Triggers! The A-rank…

Kizaki, Karauma and Konami fight the sinister Hyuse and Viza so that Osamu and Chika can escape. Meanwhile, Ranbanein easily defeats Chano…

Kizaki has figured out Hyuse's Trigger, Lambiris. He orders Karasuma and Konami to protect the city while he holds off Hyuse and Viza.

Viza and Hyuse continue to pursue Chika, but Yuma and Jin arrive just in time. Yuma faces off against Viza while Jin battles Hyuse. Osamu a…

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. Mi…

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 atte…

Director Shinoda corners Enedora in the virtual training room. However, Enedora's powerful Black Trigger attack are more than a match for t…

Karasuma uses his personal trigger Geist against Hairein. He can gain strength and speed, but he has only 200 seconds left to be able to fi…

Miwa uses a trigger Lead Bullet against Hairein. Meanwhile, Yuma decides to carry out a desperate attack against Viza.

Yuma defeated Viza, but he has a few Trion left. Miwa was moved away from Osamu by Mira's trigger. Now there are only seven seconds left un…

Aftkrator withdrew from our world and the 2nd large-scale invasion is over. Although Chika was saved, Osamu lost conscious. Osamu remembers…

Osamu becomes conscious, and talks with Yuma after hearing the situation from his mother and Chika. One of higher-ups Karasawa takes him to…

Many journalists ask the higher-ups of Border about responsibility for damage caused by the battle. Osamu hears about Netsuki's plan from K…

Yuma and Chika won their first Rank Battle as Tamakoma Second Unit in front of injured Osamu. Their next opponents are the 8th place, Suwa…

Osamu recovered and rejoined his unit. Tamakoma Second had the right to choose the location this time, and they chose an urban stage with d…

The match seemed that it would favor the unit with the most snipers, but Arafune Unit is being driven into a corner by rest of two units. A…

Tamakoma Second's next opponents are the 13th place, Nasu Unit, and the 9th place, Suzunari First Unit. Yuma gets a chance to challenge the…

Murakami's side effect is especially troublesome issue. Osamu thinks about how to prepare for the next Rank Battle.

The Rank Battle started. Nasu Unit takes tactical actions as planned in the storm. However, Chika's sniping changes the whole situation.

On the east side, Kuruma and Betsuyaku are at the mercy of Nasu's shooting. Osamu doesn't want them to be defeated faster than him, so he s…

Chika breaks the bank of the river by her sniping, and draws the water into the city. Osamu wants Yuma to join him as soon as possible.

Mikumo Squad joins the B-rank upper tier. The fight against the top B-rank squads will be a touchstone for promotion to A-rank. Anticipatin…

Start of World Trigger new arc, Toubousha-hen. Unknown Trion soldiers show up at Border HQ. Jin and Tachikawa take them on.

Zeno, a refugee from Elgates, begs Yuma and Osamu to harbor Lilith and him during their stay in this world. With Chika taken hostage, Osamu…

Kazama Squad heads into combat as Gojima City is attacked by new Trion soldiers. Osamu tries to befriend Zeno and Lilith. Zeno offers to re…

Despite Lilith's best efforts, she can't hide her loneliness. Chika and Osamu work with Kitora and Midorikawa to try and cheer her up. At t…

While studying with Yoneya and Kodera, Miwa sees young siblings and is reminded of his past. The peace is shattered by an attack from Gieve…

Zeno's devotion to Lilith leads him to treat Yuma and Chika like tools, enraging Osamu. Meanwhile, Gieve and Karon threaten Shizuka City wi…

Arashiyama Squad gathers Border's aces! Arafune and Murakami join in the battle, destroying Gieve's Trion soldiers. But Gieve's plot to blo…

Shiori takes Yuma, Osamu, and Chika on a relaxing trip to Shizuka Marine World with Zeno and Lilith. But the peace is interrupted by an att…

Lilith reveals her true power in order to save Xeno and Yuma.

Yuma, Chika and Xeno take the fight to the enemy in order to rescue Osamu. However, a cunning trap separates them, forcing Yuma into a one-…

Zeno and Chika find Osamu, while Yuma continues his fight against Giev. He struggles against Giev and Charon's skillful coordination, so si…

Yotaro heads towards Shizuka City with Raijinmaru, hoping to catch up to Konami. He meets a troubled young girl named Cocoa and befriends h…

Gieve and Charon begin their attack on Yuma.

Giev's secret is revealed. Just like Lilith, he's a Humanoid Trion Soldier created by Lamia. Meanwhile, all of Shizuka City's citizens beco…

Xeno's hand cuts thin air, and monster Gieve takes in Lilith and takes on a grotesque form.

Soon after meeting and parting with Xeno and Lilith, Yuma, Osamu and Chika begin preparing for their promotion battle.

Aftokrator's Black Trigger user, Enedora, is alive! Enedora sheds new light on the Large Scale Invasion and the reason that Chika was targe…

Tamakoma-2 starts individual training in preparation for the B-Rank rank wars. Osamu visits Arashiyama for shooter training. Chika meets a…

During their brief encounter, Yuuma senses Kageura's limitless skill. Osamu receives shooter training from Arashiyama and Izumi, allowing h…

Ninomiya Squad, Kageura Squad, Azuma Squad and Mikumo Squad face off! As tensions mount, each team targets Osamu and closes in. Meanwhile,…

Osamu is quickly knocked out of combat by Azuma, former leader of an A-Rank No. 1 team. Chika tries to overcome her inability to fire on hu…

Yuuma faces Kageura. Ninomiya takes advantage of this to attack them both. After the battle, Osamu is devastated by his defeat. Kazama's ad…

Shinoda announces an imminent invasion by a new Neighbor country. Tachikawa and Kazama Squad are assigned to deal with the threat, based on…

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 he…

Osamu continues to try to improve himself, Chika confronts her faults, and Yuuma has faith in them. Mikumo Squad's losses in the B-Rank Ran…