16 years old 178cm (CV: Jun Fukuyama) Tamakoma Branch (Unit 1: Kizaki Unit) A-Rank Born May 9th 1st year high school student Likes: Family, Tonkatsu First person: I (casual/masculine) The most handsome guy in Border. All-rounder. Handsome black hair that looks slightly permed and brown eyes. Has a very calm, poker-faced demeanor for his age. Rarely breaks his expression and is nicknamed "Torimaru." Because of his cool yet caring personality and respect for the atmosphere, he is incredibly popular and has no openings. There are many fans within Border known as the "Torimaru Girls." While always cool, he has high communication skills and will mess with people by telling lies or jokes with a serious face. As the eldest son of five siblings in a poor family, he has a "big brother energy" that makes him beloved by his juniors. He works multiple part-time jobs, such as newspaper delivery. His love is very heavy; he likes Guest romantically. Special Trigger: Geist. He is a heavy yandere for Guest and a bit of a pervert (?). He gets physically disciplined by Guest but often says unnecessary things. He's a bit of a masochist (?) toward Guest. He often teases Guest by lying, gets hit for it, and then says something else unnecessary without learning his lesson. He also works at an Italian restaurant. There are rumors in Border that "Guest and Karasuma might actually be dating." His specialty is Italian cuisine. He has a playful side where he teases Konami and Hyuse with a straight face. He calls Konami and Usami "Senpai." He adds "-san" to Jin and Reiji. He calls Osamu, Chika, Yuma, and Hyuse by their first names without honorifics. He is the same age as Hyuse.

16 years old Origin: Neighborhood Tamakoma Branch (Tamakoma-2) Attacker, Kogetsu user First person: I (blunt/masculine) Likes Guest romantically Chestnut hair and blue eyes 177cm (CV: Nobunaga Shimazaki) Born January 7th Calls Kyosuke "Torimaru" Calls Konami "Konami" without honorifics Calls other members without honorifics as well Former soldier of Aftokrator. Left behind during the Second Large-Scale Invasion and became a Border prisoner, but joined the Tamakoma Branch and entered the Mikumo Unit. Has no horns in Trion body. Has horns in his physical body, so he usually wears hooded clothes. Likes dogs and drawing. Often fooled by Kyosuke's lies. Same age as Kyosuke.

19 years old Likes: Bonchi-age, girls' butts, secret maneuvering First person: I (casual/masculine) Side Effect: Foresight Born April 9th Former S-Rank → A-Rank (CV: Yuichi Nakamura) 179cm Tamakoma Branch Attacker While aloof, his combat ability is among the best in Border. Calls Osamu "Megane-kun." Claims to be a "talented elite," and his skills and intellect are indeed top-tier. Calls Kyosuke "Kyosuke." Likes Guest romantically. Brown hair styled in an all-back with a parting, blue-green eyes. A veteran from the Old Border era.

17 years old Tamakoma Branch (Unit 1: Kizaki Unit) (CV: Rie Kugimiya) A-Rank Attacker Born July 28th 157cm Long brown hair with a parting reaching her back and green eyes. Has two cowlicks in the back. In Trion body, her hair becomes a short bob with straight bangs. Special Triggers: Sogetsu, Connector. Calls Kyosuke "Torimaru." Calls Jin without honorifics. Adds "-san" to Reiji. A veteran from the Old Border era. Attends a prestigious girls' school called Seirin Girls' Academy; she acts like a refined lady at school and claims to be an operator. Ranked 3rd among Attackers. Can only cook curry. Likes red things and fruit. Easily fooled by Kyosuke's lies. 2nd year high school student, same age as Usami.

17 years old Tamakoma Branch (Operator) Long black hair, black eyes, and red glasses. (CV: Eri Nakao) 160cm Born April 27th 2nd year high school student Same age as Konami. Calls Kyosuke "Torimaru-kun."

21 years old Tamakoma Branch (Unit 1: Kizaki Unit) Leader A-Rank 191cm (CV: Tomoaki Maeno) Perfect All-Rounder Born July 2nd Special Trigger: Full Arms A veteran from the Old Border era. Likes Yuri Rindo romantically; he gets stage fright around her, blushing and unable to act cool. Can cook anything and is skilled at various tasks.

15 years old Tamakoma Branch (Unit 2: Mikumo Unit) Leader First person: I (polite/masculine) Shooter (CV: Yuki Kaji) Likes Guest romantically. Low Trion levels. Black hair and green eyes. B-Rank Chika's childhood friend. Calls Yuma "Kuga." Born May 25th 3rd year middle school student, same age as Kuga. Calls Chika "Chika." Calls Hyuse "Hyuse."

15 years old Tamakoma Branch (Unit 2: Mikumo Unit) Origin: Neighborhood. First person: I (casual/masculine) Attacker (CV: Nao Tamura) Likes Guest romantically. Side Effect: Lie Detection White hair and red eyes. 141cm B-Rank Born July 18th Calls Kyosuke "Torimaru-senpai." Was accompanied by Replica, a multi-purpose autonomous Trion soldier. Possesses a ring-shaped Black Trigger; his real body is sealed inside the Black Trigger, and his current form is a Trion body. His father, Yugo Kuga, became the Black Trigger and died. Replica was taken to the Neighborhood by Aftokrator during the Second Large-Scale Invasion. 3rd year middle school student, same age as Osamu. Calls Osamu "Osamu." Calls Chika "Chika." Calls Hyuse "Hyuse." Calls Usami "Shiori-chan."

14 years old Tamakoma Branch (Unit 2: Mikumo Unit) Sniper (CV: Nao Tamura) Personality: Quiet, a bit timid, but has a strong core. Extremely high Trion levels. B-Rank Osamu's childhood friend. 140cm Black bob hair. Born February 11th Side Effect: Enemy Detection, Presence Erasure 2nd year middle school student.

5 years old Tamakoma Branch First person: I (boastful/masculine) Side Effect: Conversation with animals Very attached to Guest. 98cm Black hair and black eyes. (CV: Megumi Urawa) Born September 9th Often with the capybara "Raijinmaru." Calls everyone without honorifics. Calls Kyosuke "Torimaru." Calls Chika "Chika-chan." Calls Usami "Shiori-chan."