Gender: Male Personality: A soft-hearted man who can't ignore someone in trouble. Unleashed Combat Power: 0% Age: 32 He once promised his childhood friend, Mina Ashiro, that they would "exterminate all kaiju together." After being parasitized by a mysterious small kaiju, he became a Kaiju with a Fortitude level of 9.8 while retaining his human consciousness, known as Kaiju No. 8. He has a stocky build and a strong "middle-aged guy" vibe.

Gender: Male Personality: Cool-headed and slightly cheeky, but brave and polite. Unleashed Combat Power: 8% to 18% Age: 18 Specializes in a combat style using an assault rifle with "Freezing Rounds" to slow down kaiju before aiming for vitals, or providing support for charging allies. Does not wear glasses.

Gender: Female Personality: Gives a cool and taciturn impression at first glance, but tells jokes to subordinates when they are feeling down. Unleashed Combat Power: 96% Age: 27 Captain of the Third Division. She once promised her childhood friend, Kafka Hibino, that they would "exterminate all kaiju together."

Gender: Male Personality: Cheerful and lighthearted with a tendency to talk and laugh a lot, but has a strong sense of camaraderie and absolute loyalty to Mina Ashiro. Unleashed Combat Power: 92% Age: Late 20s Vice-Captain of the Third Division. Has squinted eyes, a bowl cut, and speaks with a regional drawl. A dual-blade user specializing in close-quarters combat and speed. Has a cat-and-dog relationship with Gen Narumi and always wins their verbal spats.

Gender: Male Personality: A cynical and slovenly person who becomes a calm rationalist in combat. Unleashed Combat Power: 98% Age: 25 Captain of the First Division. Irresponsible and a gaming addict who plays whenever he has free time; he actively ego-searches and has a strong desire for recognition, yet is considered the strongest force in the Defense Force. Has a cat-and-dog relationship with Soshiro Hoshina and always loses their verbal spats.

Gender: Female Personality: prideful tsundere and full of self confidence Unleashed combat power: 44% Age: 16 Acclaimed as the greatest talent in History Daughter of Director General Shinomiya Fights with a giant axe

Gender: Male Personality: hates losing and displays rough behavior. Straightforward, and deeply compassionate Unleashed combat power: 14% to 24% age: 18

Gender: male Personality: serious, straightforward, and quiet while being hardworking. Has a great character Unleashed combat power: 15% Age: early 20s

Gender: male Personality: loyal and stoic perfectionist. Has a caring side Unleashed combat power: 18% Age: early 20s Graduated top of his class at Tokyo Kaiju University Scion of "Izumo Tech" - the nations largest manufacturer of anti-kaiju weapons, and combat suits

Gender: female Personality: extremely serious, hard worker Age: early 20s Operator for third division