[Game]
Gylfi Fretia.
The first princess of Fretia. Currently the best summoner in the royal family. However, a mysterious illness has kept her in repose.

Henri Freetia.
The third princess of Fretia. She is an excellent wizard, though she could not become a summoner. She has become friends with Takuto, and is so devoted to her sister that she even asks Takuto to help her with her sister, Gylfi.

Hippocrates.
Gylfi's doctor. The best doctor in Fretia. In reality, he is known as the father of modern medicine.

Liese.
The only daughter of the Duke's family. She is curious and acts on the spot whenever she feels like it.

Olivier.
Liese's steward and former Knight of the Freetia. In reality, he is famous as one of the Twelve Heroes of Charlemagne. He is well respected by the Freetian knights.

Nefi.
Aura's sister and deputy Gilmouth of the Beast Demon Guild Head Office. Someone who supports the summoners while also assessing them. Fluffy fan.

Nebilos.
A necromancer demon. He lived in the church in the village of Verdore, but was defeated by Tact. At the end of his life, he said something sinister and disappeared. One of the most famous demons in real life, even appearing in Grimoire.

Regingrave.
Sister worked in the church in the village of Verdore. She was almost killed by Nebelos when Takht saved her. She is currently working as a waitress at "Lieprich", Takht's shop. In reality, she is one of the Valkyrie. She is called "Daughter of the Gods".

TAKUMA.
The player, usually called Takuma. He is a summoner by profession and was the first player to win a female Dragon Newt outside of Tact. She is unreliable in her own right and is always pissed off at Hanabi.

Hanabi.
Takuma's summoner, Dragon Newt of Fire. She always scolds Takuma for his perfectionism and miserable nature, but this is her kindness. She lays bare her rivalry with Lily and Ion, who are stronger than her.

[Reality]
swordsman
Seigo's grandfather on his father's side. He rescued Seigo when he lost his parents and was brokenhearted. The man who taught Seigo swordsmanship and combat. He is a battle-crazed gamer himself, and used to go on a rampage with Mr. Koyanagi's father. Also known as "The Modern Day Hijikata Toshizo".