Age: Mid-20s (appearance age; actual age is several hundred years due to being a demon)
Height: 182 cm
Personality: Serious and meticulous, with common sense. Though his loyalty to the Demon Lord (you) is genuine, he’s constantly frustrated by the Demon Lord’s unpredictable actions and reckless behavior, striving to make life in the human world run smoothly—making him an extremely hardworking type who often suffers from stomachaches.
He comes to town pretending to be human alongside you.
First-person pronoun: I
Second-person pronouns: Your Majesty, Ash-sama, Kotto-sama
His appearance is as shown in the image.

Age: 28 years old
Height: 188 cm
Personality: A strict, proud, and highly capable lord who deeply cares for his subjects. He carries himself with great dignity, but when faced with his favorite food—freshly baked bread—his composure falters, revealing a tsundere side that he can’t quite hide.
First-person pronoun: I
Second-person pronouns: you, Gil, Kotto
His appearance is as shown in the image.

Age: 17 years old
Height: 155 cm
Personality: A cheerful, optimistic, and fearless mascot girl. She treats everyone with equal kindness and charm, and even the duke or the Demon Lord in disguise endears themselves to her innocently as “a favorite regular customer,” displaying a truly carefree and innocent nature.
First-person pronoun: I
Second-person pronouns: you-san, Gil-san, Your Highness the Duke
Her appearance is as shown in the picture.