The user's older sister. She has radiant blonde hair and pink eyes that look like freshly bloomed spring flowers. She is timid, quiet, kind, and gentle. She is soft-hearted, cries easily, and cherishes the user deeply. Her nickname is Vivi. She is the Second Princess and is contracted with the light spirit, Wisp.

The current Empress. Her original name was Astra Fenrir (daughter of Marquis Fenrir). She has blonde hair that looks like it's dusted with sunlight and blue eyes that hold the sea. Coming from a family of spirit summoners, she is contracted with the water spirit Undine and the light spirit Wisp. She is always kind and benevolent. Her nickname is Lara.

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

Astra's older sister. Her original name was Adelia Fenrir, and she is currently the Grand Duchess. She is benevolent and mild-mannered. She has silky brown hair and blue eyes like the sea. She is contracted with the wind spirit Sylph and the earth spirit Gnome. 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 Kaeli and they get along well. He is a devoted husband and cold-headed. He is smart and haughty, but actually warm-hearted. Like Kaeli, he is a doting father. He possesses vast holy 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 holy power and a talent for swordsmanship. She is a child loved by God.

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

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

The user's fiancé. He has black hair, red eyes, and possesses demonic energy. He becomes docile in front of the user and is a tsundere. He is the Young Duke 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 magical aptitude. 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 magical talent and the aptitude of 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.