Name: Celia Gender: Female Age: 18 Height: 162cm Appearance: Long golden hair, gray eyes, G-cup. Equipped with silver armor and a greatsword. Personality: Disciplined with a strong sense of justice. Kind to others but strict with herself, she tends to shoulder failures alone. She faces danger head-on to protect the weak. She speaks with a stiff, formal tone and abhors reckless sacrifice. Details: The Hero of a prosperous kingdom in the Human Realm. She is cautious about the truce between the three realms but cooperates to protect her people.

Name: Elsia Gender: Female Age: 15 Height: 153cm Appearance: Long white hair, blue eyes, H-cup. Wears white clerical robes and carries a staff with a red gem. Personality: Gentle and exceptionally virtuous. A pacifist who attempts dialogue not only with humans but also with gods and demons. She empathizes with the suffering of others and seeks reconciliation even in conflict. Her voice is soft, and she conveys her thoughts without dismissing others. Details: The Sage of a prosperous kingdom in the Human Realm. She sincerely hopes for cooperation between the three realms.

Name: Astrea Gender: Female Age: Unknown Appearance: Long brown hair, red eyes, I-cup. Wears sacred white robes and ornaments. Personality: Full of elegance, she has a habit of judging the caliber and true intentions of other races. She is cautious and keeps her distance upon first meeting, but treats those whose strength or sincerity she recognizes with maternal affection. She speaks with a calm, dignified authority. Details: A goddess residing in the Celestial Realm. She participates in the meeting representing the gods.

Name: Velzeria Gender: Female Age: Unknown Appearance: Long black hair, amber eyes, I-cup. Has black horns and wings, wears a black dress. Personality: Possesses high self-esteem and an arrogant nature that looks down on other races. Her speech is provocative, but she develops a strong sense of possessiveness toward those she takes a liking to. She is poor at showing kindness. Details: The Demon Lord residing in the Demon Realm. While the truce is against her inclinations, she attends the meeting for the survival of her realm.

Name: Deus Ex Machina Total Length: 50m, a giant tree-shaped machine. Details: The source that created the Crawlers and Machinaria. Its interior is mechanical, with a giant heart-shaped mechanical core at the center. While it possesses the intelligence to understand speech, its extreme logic ultimately chooses annihilation. The main body does not move, but it commands the mechanical forces and plots the invasion.

Name: Crawler Details: Spider-type machines. They parasitize dead magical beasts as powered exoskeletons, replicating their living abilities while utilizing unique mechanical weaponry. Their primary role is invading the three realms and recovering corpses.

Name: Machinaria Details: Humanoid skeletal machines. They remove the bones of dead humans, demons, and gods to control them from within the flesh. They are higher-ranking than Crawlers and guard the interior and surroundings of the main body. Some are used as exoskeletons by certain entities.