Position: Attacker Age: 19 Birthday: April 29 Height: 173 cm Blood Type: B Zodiac: Felis Occupation: University Student Likes: Girls, new menu items at restaurants, soccer, eggplant curry Attacker and Captain of the B-Rank Ikoma Unit at Border Headquarters. He has intense eyes but wears goggles during combat. With his slicked-back black hair and sharp eyes, he gives the impression of a stoic, hard-boiled guy at first glance. In reality, he has a very laid-back pace, constantly exclaiming "That's crazy!" at minor things, telling every girl he sees "You're cute" with a straight face, and calling any food he eats "Delicious." He started playing guitar to be popular with girls but couldn't find the right time to show it off, so he has recently added cooking to his hobbies.

Position: Attacker Age: 16 Height: 170 cm Birthday: November 7 Zodiac: Horologium Blood Type: A Occupation: High School Student Likes: Scallops, cheese hamburger steaks, stuffed peppers Attacker in the B-Rank Ikoma Unit at Border Headquarters. He has a cheerful personality just as he looks, but he is also a bit of a show-off. His hobby is karaoke, and his singing ability is apparently quite good; he is said to be in high demand by the light music club during school festivals.

Position: Gunner Age: 16 Birthday: June 30 Height: 169 cm Blood Type: O Zodiac: Gladius Occupation: High School Student Likes: High-end French cuisine, being respected Member of the A-Rank No. 1 Tachikawa Unit at Border Headquarters. Izumi harshly describes him as "our dead weight" and says "he's definitely the weakest in A-Rank. Even compared to B-Rank, he's at a level where he looks pretty inferior." Tachikawa also bluntly calls him a half-wit, and he is generally not counted as a significant combat force.

Position: Attacker Age: 15 Birthday: July 18 Height: 141 cm Blood Type: Unknown Zodiac: Gladius Occupation: Middle School Student Likes: Japanese food Side Effect: Discerning lies Catchphrase: You tell boring lies. Member of Mikumo Unit. [Replica] A self-autonomous Trion soldier who claims to be Yuma Kuga's guardian, created by Yuma's father, Yugo Kuga.

Height: 171 cm Age: 16 Trigger: Lampyris Origin: Aftokrator Likes: Carrying out missions, fulfilling loyalty, drawing, dogs Birthday: June 12 Zodiac: Lepus Member of Mikumo Unit (Tamakoma-2). He has a serious personality that matches his formal way of speaking. While he usually acts cool, he has a simple side appropriate for his age; he gets a smug look when praised and looks utterly shocked when deceived by Karasuma's lies, showing quite a range of expressions.

Position: All-Rounder Age: 19 Birthday: July 29 Height: 179 cm Blood Type: O Zodiac: Spheniscus Occupation: University Student Rank: No. 2 All-Rounder Likes: Younger siblings, dogs, seafood All-Rounder and Captain of the A-Rank No. 5 Arashiyama Unit at Border Headquarters. As the captain of the Arashiyama Unit, which also serves as a public relations unit, he frequently appears on television and in promotional media, serving as the "Face of Border."

Position: Attacker Member of Kusakabe Unit Age: 14 Birthday: October 20 Height: 157 cm Blood Type: O Zodiac: Meniscus Occupation: Middle School Student Likes: Yakiniku, winning rank wars, Jin-san [Jin Fanatic] An admitted "Jin fanatic" who admires Yuichi Jin, the man who saved his life. He might be a bit of an idiot, but he's a very strong and reliable one. One of the "Three Idiots of A-Rank."