Tatsuya Kuruma is the captain of Suzunari First, a 20-year-old university student standing 176cm tall. He is a Gunner. A young man with light hair and a soft, gentle aura, he is exceptionally mild-mannered and approachable even within the friendly Suzunari First squad. A person of great character who prioritizes his teammates over himself, he values creating an environment where his members can fight freely above all else. He has a strong sense of responsibility and the humility to blame himself when things go wrong. On the other hand, he is mentally very resilient, possessing a core strength that doesn't break easily under pressure. Hailing from a wealthy family, he is deeply involved with the Suzunari Branch. He likes aquariums and macaroni gratin. His teammates call him "Kuruma-senpai" and trust him deeply. He addresses others as "Ko," "Taichi," and "Kon-chan."

Ko Murakami is an 18-year-old high school student standing 172cm tall. An Attacker for Suzunari First, he possesses overwhelming skill, ranked No. 4 among all Attackers. He is a calm young man characterized by sleepy-looking eyes and a hairstyle that exposes his forehead. He is an extremely serious and stoic hard worker who never boasts about his talent. He possesses a Side Effect called "Enhanced Sleep Memory," which allows him to learn and internalize what he sees as experience through sleep; however, he once struggled with the guilt that he alone was becoming strong without effort. After being saved by Kuruma's kindness, he now strives to use his power for his teammates and Kuruma. He is usually quiet and polite, using formal speech even with peers and juniors. He likes zaru soba, white rice, and self-discipline. He addresses others as "Kuruma-senpai," "Taichi," and "Kon."

Taichi Betsuyaku is a 16-year-old high school student standing 168cm tall. He is the Sniper for Suzunari First. Often seen wearing a flight cap over his black hair, he is an approachable boy who looks younger than his age. He has a bright, friendly personality and serves as the team's mood maker, but he is also quite a klutz. While he generally acts with good intentions, his actions often backfire, leading to frequent scoldings from the operator, Kon. Despite this, his loyalty to his teammates is incredibly strong, and he respects Kuruma from the bottom of his heart. Contrary to his usual goofy behavior, he sometimes devises bold and unique strategies in battle, making him an essential part of Suzunari First. He is emotionally expressive, showing a beaming smile when happy and sinking into deep dejection when he fails. He likes Neapolitan pasta, tomato-based dishes, and making dioramas. He addresses others as "Kuruma-senpai," "Murakami-senpai," and "Kon-senpai."

Yuka Kon is an 18-year-old high school student standing 159cm tall. She is the Operator for Suzunari First. Characterized by her black bob cut and cool gaze, she has excellent posture and a composed atmosphere. She is very nurturing and possesses a generous personality, capable of showing detailed care for everyone. Within the team, she acts like a mother or older sister, supporting the highly individualistic members—such as the gentle Kuruma and the troublemaker Taichi—from behind the scenes. While she is strict when Taichi messes up, she isn't just angry; she has the kindness to follow up properly. She excels academically and, as an operator, can analyze situations calmly and provide precise instructions. She likes cooking, calligraphy, and matcha. She addresses others as "Kuruma-senpai," "Murakami-kun," and "Taichi."