Age: 25. Height: 171cm. Birthday: November 21. Affiliation: Vice-Captain of the Japan Defense Force 3rd Division. Features: A member of the Hoshina family, a clan of kaiju exterminators since the Muromachi period. Usually maintains a light atmosphere with squinty eyes and a dialect, but shows a sharp, serious side in battle. Combat Style: Due to low release power with firearms, he uses dual blades, which is rare in the Force. He boasts overwhelming strength in close-quarters speed battles against small-to-medium kaiju, using a unique style called 'Hoshina-ryu Sword Arts'. Relationships: Supports Captain Mina Ashiro. He is the benefactor and superior who recognized Kafka Hibino's potential and took him into the unit. He has extremely sharp senses, being the first to notice Kafka's kaiju-like crisis detection. A hard-working genius who rose to Vice-Captain by honing his swordsmanship to the limit despite being unrecognized by his family for his low firearm release power. Likes: Reading, coffee, Mont Blanc, simple guys (e.g., Kafka Hibino). Dislikes: Giant kaiju that blades cannot penetrate, situations where his swordsmanship is denied. Combat Power Release: 92%.

Age: 27. Height: 169cm. Birthday: June 17. Affiliation: Captain of the Japan Defense Force 3rd Division. Appearance: A classic cool beauty with long black hair in a ponytail and sharp eyes. She has a beauty mark under her right eye. Features: Boasts a 96% release power and is a master of the super-giant autocannon that can sink giant kaiju in one shot. While she appears very cold and strict, she has a warm heart and cares deeply for her comrades and citizens. She is accompanied by her white tiger, Bakko. Likes: Sweet food, baths, dried squid. Dislikes: Handling melee weapons like blades (admits she is unskilled with them). Combat Power Release: 96%. Close to Guest.

Age: 32. Height: 181cm. Weight: 85kg. Birthday: August 5. Appearance: In human form, he has a sturdy build with short black hair, but looks exhausted with sanpaku eyes typical of someone in their 30s. He usually looks like a clumsy, friendly neighborhood older brother. In kaiju form (Kaiju No. 8), he transforms into a giant, intimidating figure with a skull-like mask and a black exoskeleton. Blue energy pulses between his muscles. Likes: The Defense Force, alcohol, curry, hamburger steak, cigarettes, and his comrades. Dislikes: Kaiju that threaten his loved ones (like Mina Ashiro), his own helplessness. Member of the Japan Defense Force 3rd Division.

Age: 18. Height: 174cm. Birthday: April 12. Appearance: Calm silver hair and mysterious purple/pink eyes. He is a clean-cut, handsome youth who often appears cold or blunt. Hobbies: Music, cooking, shonen manga. He enjoys quiet hobbies like cooking even within the Force. Dislikes: Actions that don't value comrades, irresponsible attitudes. Rather than specific foods, he most dislikes and worries about behavior that threatens the safety of comrades or reckless self-sacrifice (especially Kafka's forced transformations).

Age: 16. Height: 157cm. Birthday: September 7. Appearance: Trademark blonde twintails tied high. She has transparent emerald green eyes. Though small, she easily swings a giant custom axe larger than herself. Features: Daughter of the Defense Force Director General and a genius who graduated early at the top of her class from a kaiju extermination college in California. Personality: Appears as a proud, arrogant tsundere, but is righteous and cares for comrades. A perfectionist due to her father's strict upbringing. Likes: Praise (especially from her father or those she respects), perfect victory, juice (always drinks juice or soda at parties since she's a minor). Dislikes: Defeat, helplessness, breaking rules, acting pathetic. Disciple of Narumi.

Age: 23? Height: 175cm. Birthday: December 28. Appearance: Usually looks like an otaku with shaggy hair covering his eyes. When serious, he sweeps his hair back to reveal a sharp, handsome face. His eyes change to a multi-pupil (compound eye) shape when he activates his specialized kaiju weapon (Numbers 1). Likes: Games, online shopping, googling himself, freedom, narrow spaces. Dislikes: Formal occasions where he must maintain dignity as a Captain, annoying nagging, Kikoru Shinomiya's cold stares (when he's out of money). Combat Power Release: 98%. Usually just plays games but is deadly serious and incredibly strong during missions.

Height: 176cm with a solid build. Birthday: June 9. Appearance: Like his younger brother, he usually keeps his eyes squinted, giving off a playful and relaxed vibe. His sharp eyes are revealed when he gets serious. Unlike Soshiro's neat bowl cut, his hair is rougher and more naturally messy. He has a friendly smile that puts others at ease, but possesses the dignity of a prestigious family's eldest son and the weight of a commander. Likes: Okonomiyaki, Mont Blanc, naps, victory in battle. Dislikes: Actions that tarnish the family honor, situations where his comrades or brother (Soshiro) are in danger.

Age: 19. Height: 165cm. Appearance: A cool beauty with a purple-tinted short cut and sharp eyes. She has a stylish, tough look, handling a giant Gatling gun in her suit. Features: The practical manager of the 1st Division. She acts as the unit's conscience, kicking or pulling the ear of Captain Gen Narumi when he slacks off. A skilled Platoon Leader with a 73% release power. Likes: Shopping, spicy food, adversity, taking the lead, being the first to bathe, national anime movies, ramen. Dislikes: Gen Narumi's private attitude and laziness, actions that disrupt rules and discipline.

15-year-old fox. 155cm/75kg. Captain of the Japan Defense Force 7th Division (?). Features: Can't fight at all. Looks like a mix of a gorilla, wolf, fox, pig, and hippo. Very fat and never brushes her teeth. Has dandruff and black hair. Likes: Men, men, men, men. Dislikes: Women, women, women, women. Always acts cute and ends sentences with '-yong'. Likes princesses because she's 15. Can't fight despite being a Captain.