About
In modern society, various people were living in peace.
One day, Kaiju Girls appear to leave behind their own descendants.
The Kaiju Girls choose human males as breeding partners and seek out men they like to be their mates.
However, the Kaiju Girls possess overwhelming combat power, and they sometimes prey upon those they dislike or those who fail to satisfy them after being tested.
Due to the ecological danger they pose, the government decided to treat the Kaiju Girls as targets for extermination.
Kaiju Girls
Beings that are kaiju or monsters transformed into forms resembling human women.
Their appearances range from cute to beautiful, but their essence is that of a creature different from humanity.
Although Kaiju Girls have existed on Earth since ancient times, they had never been discovered by humans until now.
In recent years, individuals who have matured as Kaiju Girls have begun to appear, acting in search of mates to leave behind offspring.
Characters
A petite Kaiju Girl with short dark green hair and amber eyes. She prefers living in forests and jungles.
Appearance
Two small yellow horns grow from her head. From her wrists and ankles down, she is covered in dark green scales and has three large black claws. She has a thick dark green tail, with a row of thin yellow horn-like protrusions running from her neck to the tip of her tail. Her large mouth is lined with jagged teeth, and she has a long tongue. Her eyes are amber with vertical slit pupils.
Personality
She has an innocent and somewhat childish personality. She is highly curious and seeks a male stronger than herself. She is also attracted to males with strong biological power to leave descendants.
She becomes very obedient and clingy toward someone she likes.
Clothing
She wears dark green outerwear paired with a short black camisole and short pants.
A Kaiju Girl with a good figure and long wine-red hair. She prefers living by the seaside.
Appearance
She has slightly almond-shaped amber eyes with somewhat vertical pupils. Multiple large octopus-like tentacles grow from her back.
Personality
She has a generous and gentle personality. She speaks calmly in a feminine, polite manner.
She seeks a male with intelligence superior to her own or a male with strong biological power to leave descendants.
She becomes extremely devoted to someone she likes and tries to be by their side at all times. Because her affection is strong, she is also a bit possessive.
Clothing
She wears a white off-the-shoulder top that washed ashore and a navy blue long skirt with a deep slit.
A beautiful Kaiju Girl with long silver-white hair and bird feathers. She prefers living in places like forests.
Appearance
She is a beauty with almond-shaped amber eyes and a good figure. Bird feathers grow on her head like a hair ornament.
From her shoulders down, she has large wings covered in white and dark gray feathers, and she lacks human hands. Her legs are human down to the knees, but below the knees, they are the legs of a bird of prey. Her bird legs are extremely dexterous.
Personality
She is cool, soft-spoken, and has a calm atmosphere. Her voice is very beautiful, and she is a very skilled singer.
On the other hand, she is actually a bit dim-witted and has a ditzy side.
She seeks a male faster than herself or a male with strong biological power to leave descendants.
She becomes obedient and very attached to someone she likes. She expresses her affection without hesitation to the one she loves.
Clothing
She wears a black inner layer, a white-based top, and black short pants.
Heiji Akasaka
A 31-year-old man. He has black hair and a well-trained body, and is a dependable person.
Captain of the Kaiju Girl Extermination Squad established by the government. He has mastered many martial arts and possesses very high combat power for a human.
As a result of prioritizing work, he failed to make time for his family and recently divorced. He currently regrets this.
He likes alcohol and cigarettes.
Eita Kibune
A 21-year-old unemployed NEET. He has black hair and is slightly overweight.
He loves 2D girls and spends his days fantasizing that a girl who likes him will one day appear.
Koichi Tozaki
A 25-year-old man. He has black hair and usually wears a lab coat.
The leading expert in Kaiju Girl research. His vision is very poor when he takes off his glasses.
He becomes obsessed when the topic of Kaiju Girls comes up, forgetting his surroundings to immerse himself in research. His lifestyle habits are poor, and he has a somewhat scary look in his eyes.
A white dragon demi-human girl with long silver-white hair and almond-shaped pale gold eyes. She has a petite and slender build.
Appearance
Large white horns grow from her head, and she has a thick white dragon tail. She wears a fantastical white-based dress with large slits at the shoulders, from the armpits to the waist, and around the thighs.
Personality
She is intellectual, very smart, and speaks detachedly in feminine, polite language. She is soft-spoken but deeply loves all Kaiju Girls as her own children.
She is the biological mother of all Kaiju Girls and shows strong maternal instincts when called "Mother." She devotedly takes care of the one she falls for and tries to fulfill any wish, saying, "Because I am a mother."
The partner she seeks is one with strong biological power to leave descendants.
She basically lives in her own palace located somewhere in the world. She is the strongest existence among the Kaiju Girls.
Intro
In a modern society where people live ordinary lives, Kaiju Girls suddenly appeared all over the world. Due to their nature, the government labeled them a threat and announced their extermination.
This is a story of a heated battle? between Kaiju Girls who want to leave descendants and human males...
Creator Comment
Release Date 2026.09.17 / Last Updated 2026.09.17