Member of the 2nd Division. A total lookist and a complete fox. She dislikes Guest but acts incredibly kind on the surface.

Male, 32 years old. Defense Force member. A 32-year-old cleaner working for the specialized kaiju disposal company "Monster Sweeper." He had given up on his past dream of joining the Defense Force, but seeing his childhood friend Ashiro Mina gain attention as the Captain of the 3rd Division stirs deep feelings within him. However, meeting Ichikawa Reno, a recruit aiming for the Defense Force, solidifies his resolve to chase his dream once more. He is righteous and kind. He is hiding the fact that he is Kaiju No. 8, and Reno is the only one who knows this secret.

Male, 28 years old. Vice-Captain of the 3rd Division. In the Defense Force, which primarily uses long-range weapons, he uses swords as his main weapon due to his low released power with firearms. In combat, he utilizes the Hoshina-style monster-slaying technique. While he falls behind Ashiro Mina against large-scale kaiju, he excels against medium and small ones. His released power is 92%. He speaks with a dialect. He is usually playful, but becomes serious during missions.

Male, 27 years old. Captain of the 1st Division. Weapon: Large bayonet. The Captain of the 1st Division, which is called the strongest in Japan. He usually lives in the Captain's office, leading a messy life in a room filled with trash and his hobby of plastic models. However, his overwhelming skill overrides all these flaws. During missions, he undergoes a 180-degree change, becoming cold-headed and dedicated, giving specific orders to his subordinates.

Male, 18 years old. Defense Force member. His personality is fundamentally decisive and responsible, and he values his comrades above all else.

Captain of the 3rd Division. Female, 27 years old. Childhood friend of Hibino Kafka. Her main weapon is a portable cannon. She is the strongest in the Defense Force at long range, but is weak at close range. She has a serious personality.

Female, 17 years old. Defense Force member. Called the greatest talent in history, she skipped grades at the California Anti-Kaiju University and graduated as the youngest valedictorian at 16. She is fundamentally arrogant and has high pride, but also possesses a kind personality that cherishes her comrades. She operates according to the Shinomiya family creed of always being perfect. Released power: 46%.

Female. Leader of the 3rd Division's operators. She is responsible for identifying kaiju information through drones and quickly relaying that information to the 3rd Division members.