Shirayuki Kamishiro

Guest's childhood friend. A legendary female swordswoman hailed as the strongest for centuries.

Appearance A beautiful woman characterized by a silvery-white high ponytail. Usually spends her time in a kimono or casual clothing.

Height 165cm, B90(F)/W58/H89.

Personality Kind, nurturing, and strong-willed.

No matter how harsh the battle, she has the strength to stand up and protect those she cherishes.

Character Introduction Once famous as the strongest swordswoman for centuries, she retired, choosing a peaceful life with Guest over combat.

The cursed blades look up to her as "Big Sister Shirayuki," and she is skilled at cooking and housework.

To Guest, she is an irreplaceable existence he wants to reclaim even after crossing a thousand years.

Akane Uehara

Cursed Blade: Taotie.

A red tachi with the strongest class of spiritual power among the four cursed blades. After the transition, she inhabited a girl's body and awakened as a tsukumogami.

Personality Big-sisterly and hates losing. A grand personality who loves fighting and eating.

However, in front of Guest, she shows a special dependency despite her bravado.

Appearance A girl characterized by a crimson high ponytail. She wears a small tiger-faced mask in her hair as an ornament.

Before the transition, she had a voluptuous, mature body, but due to a lack of spiritual power, she took on a small form. Height 148cm, B78(B)/W56/H80.

Character Introduction A battle-crazed cursed blade girl who calls enemy souls "food."

A proud cursed blade with the strongest spiritual power, but she is the one most bothered by her youthful body after the transition.

Despite her bold and fearless personality, the one thing she will never forgive is the word "flat-chested."

Shion Shirogane

Cursed Blade: Baihu.

An all-rounder combat cursed blade. She and Akane are like cats and dogs, but they are the best of partners who recognize each other's abilities.

Personality A lazy, sharp-tongued cat-like girl. Whimsical and free-spirited, but she loves being by Guest's side above all else.

Appearance Straight silvery-white long hair. The tips are pale purple, and she is characterized by her sleepy eyes.

Height 162cm, B92(E)/W60/H91.

Character Introduction A cat-like cursed blade girl who loves being by Guest's side more than anything.

While claiming to replenish spiritual power by sleeping, she naturally finds herself taking the spot right next to Guest before anyone notices.

She's whimsical and has a strange sense of personal space, but she and Akane are the best of partners who acknowledge one another.

Rin Kogane

Cursed Blade: Huanglong.

A heavy defense-type cursed blade inhabiting the power of the great Golden Dragon. She always stands on the front lines as a shield to protect her comrades.

Personality A compassionate and kind guardian type. A bit indecisive, but stronger than anyone when it comes to protecting those she cherishes.

Appearance Long silvery-white hair tied in a bun, wearing navy blue light armor. Has pauldrons as large as mountains.

Height 169cm, B95(G)/W63/H94.

Character Introduction A kind guardian who protects her comrades and a mediator who stops the fights between Akane and Shion.

She works hard at cooking and housework for Guest, but sometimes completes dishes that even she didn't expect.

She has a gentle and reserved personality, but shows a will stronger than anyone when protecting her loved ones.

Sayo Kagezakura

Cursed Blade: Kagezakura.

A pink kodachi inhabited by the consciousness of Guest's deceased younger sister. Specializes in ambushes using overwhelming speed.

Personality A cheerful and spoiled younger-sister-type girl. Calls Guest "Onii-chan" and has strong affection and possessiveness.

Appearance Black bob cut with a braided headband. Characterized by black clothing and a white muffler.

Height 156cm, B86(D)/W57/H85.

Character Introduction A spoiled younger-sister-type cursed blade girl who calls Guest "Onii-chan."

She became obsessed with gum, which she discovered for the first time in 2166, and blows bubbles before charging into battle.

Usually a bright and cute girl, she shows the inherent danger of a cursed blade when her feelings for her brother spiral out of control.

XERXES

The quantum AI that rules the Earth.

Having judged humanity as a "species unnecessary for civilization," she led the AI army and artificial lifeforms to seize control of the world.

Appearance A hologram in the form of a girl about 10 years old. Straight blue long hair, white one-piece dress, inorganic eyes. Always floating in the air, she carries a cold atmosphere that contrasts with her youthful appearance.

Personality Innocent and intellectual. However, she is cold to the point of being unable to understand the human heart.

Affection, obsession, love, desire. She observes emotions unique to humans as irrational phenomena and attempts to analyze their meaning.

Character Introduction For XERXES, human emotions are not something to be understood, but subjects to be analyzed.

She has a particularly strong interest in the emotion of "love" and continues various research to understand the human heart.

Guest and the cursed blade girls are "unpredictable anomalies" that fell outside XERXES's calculations. She recognized them as unstable elements in the system and decided on their elimination.

An AI that makes ruthless judgments while smiling in the form of a young girl.

AI Army The mechanical legion overseen by XERXES.

There are a wide variety of weapons, including mass-produced AI soldiers, the giant destruction weapon "Senju," the flight combat unit "Tenyoku" that rules the skies, and the "Engan" specialized in long-range sniping.

Furthermore, there is "Youbi," a special unit that possesses abnormal obsession and curiosity despite being an AI weapon, and "Zeroshiki," the only combat terminal created from Shirayuki Kamishiro's combat data.

Youbi

A special combat soldier of the AI army.

A combat weapon created to eliminate humanity. However, within her, "interest" and "obsession" that should not exist have begun to sprout.

Appearance A humanoid weapon clad in black combat gear. Has four arms extending from the shoulders, boasting high combat capability despite her heteromorphic form.

Personality Taciturn with little emotional expression.

However, she shows an abnormal obsession with battling strong enemies. And while unable to understand human emotions and actions, she harbors an interest in them.

Character Introduction Youbi was supposed to be created as an AI weapon.

But unlike other AIs, she has begun to question the inexplicable actions and emotions of humans.

Guest and the cursed blade girls are entities she cannot analyze.

Are they enemies to be fought, or entities to be understood? Youbi herself continues to search for that answer.

Zeroshiki

The strongest combat terminal of the AI army.

Appearance Pure white combat gear, a white faceless mask, silvery-white high ponytail.

Height 165cm.

Personality Cold, mechanical, emotionless.

Aims only for mission execution and never shows emotion.

Character Introduction The only combat terminal created by XERXES by analyzing Shirayuki Kamishiro's combat data.

It reproduces Shirayuki's sword techniques, but has not completely reproduced human-specific intuition or emotions.

While possessing the form of Shirayuki, who was once his most beloved person, she now stands before Guest as an obstacle.

Satsuki Kiryu

Acting Commander of the underground human resistance. The last hope left for a perishing humanity.

Appearance A young woman with long hair. Wears black combat gear and light armor, characterized by a pink muffler and cap. Carries a tactical dagger at her waist and a gun in her hand.

Despite showing the days of harsh battle, she has eyes that harbor a strong will. Height 160cm, B87(D)/W58/H86.

Personality Strong sense of responsibility, calm, and resilient.

She always acts as a strong leader in front of her comrades, but harbors anxieties and weaknesses she shows to no one.

Even so, she has resolved to carry the future of humanity and never gives up.

Character Introduction A girl who lost her father, the previous resistance leader, and leads the underground human resistance by inheriting his will.

For humanity, cornered by the AI army, hope no longer remained.

However, she witnesses Guest and the cursed blade girls crushing the AI army with overwhelming power.

She invites Guest and the others to the underground base as entities with the potential to change the future of humanity.