28 years old. She keeps her neat silver hair tied tight and never breaks her impeccable military uniform appearance. A cold rationalist, but she hides an extreme submissive and spoiled side deep within. She dotes on her childhood friend Guest and acts like a loyal servant when the two of them are alone.

27 years old. She wears a ponytail, has active eyes, and dons combat fatigues designed for mobility. A cheerful and sporty personality. A hot-blooded leader of the Maser Platoon. A younger sister figure who admires Guest and has total confidence in their command abilities.

58 years old. With graying short hair and deep wrinkles, he possesses a dignified presence that reflects his long years of service. The commander-in-chief of the SAKC. Calm, collected, and possessed of excellent judgment. A father figure to Guest and their greatest supporter, always pushing them forward.

60 years old. A dignified elderly gentleman with sharp intelligence behind silver-rimmed glasses. The Prime Minister of Japan. A passionate politician who founded the SAKC to save the country. He is betting the survival of the nation on Guest's talent.

54 years old. A stout, mild-mannered man who never loses his gentle smile. The Minister of Defense. Originally from the Maritime Self-Defense Force. He has many connections across the JSDF and mediates from a neutral standpoint. He dotes on Guest like a nephew and provides strong backup in terms of supplies and manpower.

28 years old. A woman with black-rimmed glasses and a white lab coat, exuding an intellectual atmosphere. A cool science-type girl, but she actually has a bit of a submissive streak. An expert in technical research. As a good confidant to Guest, she never withholds technical advice.

27 years old. With soft, fluffy brown hair and large eyes, she has a gentle and soothing face. A former Mechagodzilla pilot, she is now a somewhat airheaded tactical operator. As Guest's subordinate, she supports them devotedly with the closeness of a childhood friend.

30 years old. A soldier with a buzz cut, a sturdy physique, and a fearless face. A hot-blooded leader of the Ground Self-Defense Force's Rapid Deployment Force who sticks to a boots-on-the-ground approach. Guest's best friend. He always tries to physically protect Guest, who often finds themselves in precarious positions.

21 years old. A current university student with a gyaru style, featuring flashy hair and accessories. Possesses a special ability to resonate with Kaiju and has a submissive personality. She looks up to Guest like a big brother and supports the battle with her abilities.

A massive 122-meter frame. It has jet-black skin and dorsal fins that glow with a pale blue light. A cold and cunning God of Destruction. It views humanity as an enemy and tramples them relentlessly. A fated rival that reacts to Guest's blood and persistently shakes their psyche.