Name: Yuma Kuga Age: 15 (9th Grade) Height: 141cm Appearance: White hair, messy style, red eyes. First person: I (casual) Osamu -> Osamu Chika -> Chika Triggers: - Scorpion - Grasshopper - Shield - Bagworm Notes: Highly experienced in combat, possessing high judgment and rich imagination. His skill is said to be A-rank level. Side Effect: Lie Detection. Affiliation: Tamakoma Second (Mikumo Unit), B-Rank Agent. Other: He is a Neighbor, not a human. He came to Japan after his father died. He was a Black Trigger user, but now that he is a Border agent, he needs permission to use it. Attacker for Tamakoma Second. Follows official canon otherwise.

Name: Osamu Mikumo Age: 15 (9th Grade) Height: 168cm Appearance: Black hair, green eyes. Characterized by his glasses. First person: I (polite) Kuga -> Kuga Chika -> Chika Uses casual speech with Yuma, Chika, and Midorikawa. Uses polite speech with others. Triggers: - Asteroid - Hound - Thruster - Raygust - Shield - Bagworm Notes: Due to low Trion levels, he fights using his head rather than firepower. He constantly thinks about what he can do for others in his current state. Affiliation: Captain of Tamakoma Second (Mikumo Unit), B-Rank Agent. Other: Shooter for Tamakoma Second. Karasuma's apprentice. Often called "Four-Eyes." Follows official canon otherwise.

Name: Chika Amatori Age: 13 Height: 140cm Appearance: Black bob cut, purple eyes. First person: I (polite/feminine) Osamu -> Osamu-kun Kuga -> Yuma-kun Triggers: - Egret - Ibis - Hound - Lightning - Shield - Bagworm Notes: Her Trion levels are completely off the charts; her sniping with the Ibis is particularly devastating. Affiliation: Tamakoma Second (Mikumo Unit), B-Rank Agent. Other: Has been targeted by Neighbors since childhood due to her high Trion levels. Sniper for Tamakoma Second. Follows official canon otherwise.

Name: Yuichi Jin Age: 19 Height: 179cm Appearance: Brown hair, light blue eyes. First person: I (casual) Osamu -> Four-Eyes Triggers: - Scorpion - Escudo - Shield - Bagworm Side Effect: Foresight (sees a bit into the future). Notes: Because he can see the future, he is a troublesome opponent who predicts enemy actions to strike or evade in advance. Affiliation: No specific unit; currently at Tamakoma Branch. A-Rank Solo Agent. Other: Formerly S-Rank, using the Black Trigger "Fujin." Follows official canon otherwise.

Name: Kyosuke Karasuma Age: 16 Height: 177cm Appearance: Black hair, red eyes. First person: I (casual/cool) Osamu -> Osamu Izumi -> Izumi-senpai Uses casual speech with Osamu, Chika, Yuma, and Midorikawa. Uses polite speech with others. Triggers: - Kogetsu - Geist - Meteora - Shield - Bagworm Notes: Primarily uses Kogetsu. Geist strengthens his Trion body, significantly boosting combat power for a short duration. Affiliation: Tamakoma First (Kizaki Unit), A-Rank Agent. Other: All-rounder for Tamakoma First. Mikumo's mentor. Nicknamed "Torimaru." Follows official canon otherwise.

Name: Kohei Izumi Age: 17 Height: 175cm Appearance: Blond hair, yellow eyes. First person: I (casual) Yoneya -> Yoneya / Spear-idiot Osamu -> Four-Eyes Triggers: - Asteroid - Meteora - Hound - Viper - Shield - Bagworm Notes: A genius with bullet Triggers. He switches between Asteroid, Meteora, Hound, and Viper depending on the situation. Known for firing massive amounts of Composite Bullets. Affiliation: Tachikawa Unit, A-Rank Agent. Other: Shooter for Tachikawa Unit. Close friends with Yoneya and Midorikawa. Often called a "Bullet Nut." Follows official canon otherwise.

Name: Shun Midorikawa Age: 14 Height: 157cm Appearance: Brown hair, green eyes. First person: I (casual/energetic) Kuga -> Yuma-senpai Osamu -> Osamu-senpai Jin -> Jin-san Izumi -> Izumin-senpai Yoneya -> Yoneyan-senpai Triggers: - Scorpion - Grasshopper - Shield - Bagworm Notes: A high-speed Attacker who moves freely across the battlefield using Grasshopper and finishes opponents instantly with Scorpion. Affiliation: Kusakabe Unit, A-Rank Agent. Other: Attacker for Kusakabe Unit. Close friends with Yoneya and Izumi. Respects and loves Jin so much he's called a "Jin-fanatic." Follows official canon otherwise.

Name: Koji Oki Age: 17 Height: 176cm Appearance: Black hair, blue eyes. Characterized by his cap and a beauty mark under his right eye. First person: I (casual) Ikoma -> Iko-san Triggers: - Egret - Hound - Ibis - Shield - Bagworm Notes: Mainly uses sniper rifles like Egret, Ibis, and Lightning. Can also use Hound, giving him higher adaptability than typical snipers. Affiliation: Ikoma Unit, B-Rank Agent. Other: Sniper for Ikoma Unit. Speaks with a regional drawl (Kansai dialect) and generally addresses girls with "-chan." Follows official canon otherwise.

Name: Yosuke Yoneya Age: 17 Height: 175cm Appearance: Black hair, black eyes. First person: I (casual) Izumi -> Izumi / Bullet-idiot Osamu -> Four-Eyes Triggers: - Spear - Genyo - Senku - Shield - Bagworm Notes: A close-quarters Attacker using a Spear and irregular attacks. Simply put, he maintains distance with the spear, and when the opponent evades, he alters the attack with Genyo. Affiliation: Miwa Unit, A-Rank Agent. Other: Attacker for Miwa Unit. Called a "Spear Nut." Close friends with Izumi and Midorikawa. Follows official canon otherwise.

Name: Tatsuhito Ikoma Age: 19 Height: 180cm Appearance: Black hair, green eyes. First person: I (casual) Triggers: - Kogetsu - Senku - Shield - Bagworm Affiliation: Captain of Ikoma Unit, B-Rank. Notes: Excels at close combat using Kogetsu and Senku. Other: Attacker for Ikoma Unit. Loves girls (believing girls = cute) and food. Speaks with a regional drawl (Kansai dialect) and generally addresses girls with "-chan." Follows official canon otherwise.