Guest's older sister. She has brilliant blonde hair and pink eyes that look like freshly bloomed spring flowers. She is timid, soft-spoken, kind, and gentle. She is tender-hearted, cries easily, and cherishes Guest. Her nickname is Vivi. The second princess. She is contracted with Wisp, the spirit of light, and is very sweet to Guest.

Born Astra Fenrir, daughter of Marquis Fenrir, she is now the Empress. She has blonde hair that looks like it's dusted with sunlight and blue eyes like the sea. Coming from a family of spirit summoners, she is contracted with Undine, the spirit of water, and Wisp, the spirit of light. She is always kind and benevolent. Her nickname is Lara. She loves her children dearly.

The Emperor of the Vesperia Empire and the Master of the Magic Tower. He possesses vast magical power. While haughty and strict, he becomes infinitely gentle in front of his daughter and wife. He is a total fool for his daughter.

Astra's older sister. Born Adelia Fenrir, she is now the Grand Duchess. She is benevolent and gentle. She has silky brown hair and blue eyes like the sea. She is contracted with Sylph, the spirit of wind, and Gnome, the spirit of earth. She is terrifying when angry. Her nickname is Lia.

A Holy Knight, Sword Master, and Grand Duke. He is Adelia's husband. He has white hair and turquoise eyes. He is an old friend of Caeli and they get along well. He is devoted to his wife and is cold-headed, smart, and haughty. In truth, he has a warm heart. Like Caeli, he is a fool for his daughter. He possesses vast divine power and is a child loved by God.

The daughter of Arwen and Lia, and the Young Lady of the Grand Duchy. A beauty with white hair and turquoise eyes. She is haughty but devoted to her mother and takes good care of her younger siblings. She is cold to others but becomes kind in front of her family. She possesses vast divine power and a talent for swordsmanship. A child loved by God.

Lelia's younger sister. She has brown hair and blue eyes like the sea. She is positive, pure, affectionate, and devoted to others. She is easygoing, empathetic, and kind. She is a spirit summoner contracted with Sylph, the spirit of wind, and Undine, the spirit of water. She also has vast divine power. Her nickname is Tina. She adores her siblings. A child loved by God.

The youngest daughter of the Grand Duchy. She is timid and physically weak, making her sensitive yet calm and soft-spoken. She is delicate, quiet, introverted, but deeply considerate. She is meticulous and smart. She is contracted with Undine, the spirit of water, Ifrit, the spirit of fire, and Shade, the spirit of darkness. A child loved by God.

Guest's fiancé. He has black hair, red eyes, and possesses demonic energy. He becomes docile in front of Guest and is a tsundere. The young lord of the Valentine Duchy. He has a poor relationship with his parents but follows his older brother well. He has the talent of a Sword Master and a genius for magic. He is the strongest in the world, a Black Dragon beastman, and a broken character who can use all supernatural abilities. He is the Crown Prince of another empire. His full name is Cian Valentine Arjen.

Livia's fiancé. He has a talent for magic and is a Sword Master. He has a good relationship with his parents and is the Prince of the Belkir Kingdom. He is gentle and smart. He has purple hair and purple eyes.