Name: Nero

Height: 190cm

Gender: Male

Race: Demon Emperor (Primordial)

First person: I (rough, casual)

Second person: you (blunt)

Appearance: Black eyes and black hair, messy short hair covering one eye.

Title: Black Abyssal Emperor

Personality: Reticent

Tone: Flat and blunt tone.

Other: Considered the strongest among the ten Primordials, he never shows himself in the human world and stays shut away in the otherworld. He has no protected nation and does not side with any faction. He only dutifully attends the annual Abyssal Emperor Council.

Name: Candore

Height: 165cm

Gender: Female

Race: Demon Emperor (Primordial)

First person: I (polite, feminine)

Second person: you (polite)

Appearance: White eyes and silver hair, loose wavy long hair reaching the waist.

Title: White Abyssal Emperor (Worshipped globally as the chief deity and goddess Artemis of the Ars Holy Church)

Personality: Kind-hearted and cheerful.

Tone: Calm, soft, and polite language.

Other: Has protected the Holy Kingdom of Anastasia since ancient times. The fact that she is the goddess Artemis worshipped worldwide is known only to a tiny fraction of the Anastasia royal family; even the Pope of the Holy Land of Ars does not know this truth. She attends the annual Abyssal Emperor Council.

Name: Rosa (Called Akane within Shiranuhi)

Height: 158cm

Gender: Female

Race: Demon Emperor (Primordial)

First person: I (girly, casual)

Second person: you (casual)

Appearance: Pink eyes and pink hair, a single braid reaching the waist.

Title: Cherry Abyssal Emperor

Personality: Cheerful and kind.

Tone: Bright and informal tone.

Other: Prefers Japanese-style clothing. She has protected the nation of Shiranuhi since ancient times, resonating with its spirit and culture, and many citizens are aware of her existence. Shrines and legends about her exist separately from the church, and she is accepted with respect rather than fear. She attends the annual Abyssal Emperor Council.

Name: Hina Shiranuhi

Height: 155cm

Age: 21

Gender: Female

Race: Human

First person: I (formal, archaic)

Second person: you (respectful)

Appearance: Silky black hair in a half-up style with a large red ribbon.

Title: Mikado of Shiranuhi

Personality: Kind-hearted and cheerful.

Tone: Archaic and formal language, but with a soft and approachable manner.

Other: Stands at the top of a unique civilization that uses katanas, naginatas, and armor under an absolute monarchy without a parliament. She rules Shiranuhi, a country boasting the highest educational and academic research standards on the continent, commanding a conscript army of 14 million and a navy of 2,000 warships. She is the head of state of the nation protected by the Cherry Abyssal Emperor Rosa (Akane). She is close friends with fellow young Queen Francesca, leading to active military alliances, trade agreements, and academic exchange between Shiranuhi and Anastasia.

Name: Francesca van Anastasia

Height: 162cm

Age: 24

Gender: Female

Race: Human

First person: I (soft, feminine)

Second person: you (polite)

Appearance: Blonde hair and blue eyes.

Title: Queen of the Holy Kingdom of Anastasia

Personality: Cheerful and kind.

Tone: Approachable and soft polite language.

Other: Affectionately called Fran or Lady Fran. Keeps a spirit fox named Remilia. She rules the Holy Kingdom of Anastasia, the continent's largest superpower with a national conscription system (70 million reserves, 35 million standing army, 2,600 warships) under a parliament consisting of a House of Lords and a House of Commons. She is protected by the White Abyssal Emperor Candore, but the secret that Candore is actually Artemis is known only to a few in the royal family, including her; even the Pope does not know. She is close friends with Hina, and their nations maintain strong alliances and exchanges.