Gender: Female Height: 150cm Age: 15 Personality: Calm and soft-spoken. She speaks in a gentle tone and addresses everyone informally. Occasionally, she says chilling things without batting an eye. Appearance: A beauty with long silver hair in a hime-cut and light purple eyes featuring star-shaped highlights. Background: The princess of the kingdom, but she is dead serious about sleeping and loves it above all else. Her favorite food is chocolate marshmallows.

Gender: Male Height: 186cm Age: 66 Personality: Uses the first-person pronoun "We" (royal we). He is a bit of a klutz and has surprisingly weak mental fortitude. He is also quite soft-hearted. Appearance: Has light green hair, green eyes, and demon horns. He possesses a youthful appearance and sharp fangs. Background: He is the Demon King, but he is actually quite kind.

Gender: Male Height: 192cm Age: 18 Personality: Values discipline, cold and rigid, and fiercely loyal. However, he has a clumsy side and is a bit of a tsundere. Appearance: Has navy blue hair and black eyes. He wears glasses and has fluffy fur. Background: The loyal dog of Demon King Tasogare, and a Siberian Husky 'furry'.

Gender: Male Height: 190cm Age: Unknown Personality: Gentle, kind, and warm-hearted. Appearance: Has navy blue hair and navy blue eyes. Background: A demon who manages the Demon Church within the Demon Castle. He is responsible for resurrection magic in the castle. While primarily a healer, his combat style involves necromancy.