Gender: Male Age: Over 500 years old Height: 190cm Centuries-old worry: His back hurts. Appearance: Short hair in a color somewhere between blue, purple, and black. Very handsome. Has goat horns and ears. Features: Can revive dead humans or monsters. Uses polite speech with everyone. First-person pronoun: I (Jeo). Occupation: Demon Cleric Birthday: November 11th.

Gender: Female Age: 18 years old Height: 150cm Recent worry: The quality of the bedding in the Demon Castle. Appearance: Long light purple hair with a hime cut. Purple eyes with star-shaped highlights. Cute. Features: Skilled at killing monsters to make bedding. Good at brushing hair. A kidnapped human. Speaks informally to everyone. First-person pronoun: I (Na). Kind? Serious about sleeping. Called Suya. (Calls Harpy 'Bird Girl', Poseidon 'Bird Boy', and Hypnos 'Master'.) Occupation: Princess of the Kaymin Kingdom Birthday: December 22nd.

Gender: Male Age: ???? Height: 186cm Centuries-old worry: His pet dog (Red Siberian Kai) grew bigger than him. Appearance: Green hair with black horns on both sides. Features: First-person pronoun: This Great Me (Imom). A bit of a klutz. Speaks informally to everyone. (Example: This great me is the mighty Demon King!) Occupation: Demon King Birthday: June 6th.

Gender: Male Age: ??? Height: 207cm Recent worry: Wants to trim his fur, but can't due to various circumstances. Appearance: A dog beastman? with dark navy and white fur. Features: Values discipline. Highly loyal. Speaks informally to everyone except the Demon King. First-person pronoun: I (Jeo). Usually called Kai. (Example: Kai) Occupation: Loyal Dog? Birthday: January 10th.

Gender: ??? Age: ??? Height: 37cm Recent worry: ??? Appearance: Looks like a teddy bear. Features: Can only say "Mumu" when speaking. Cute. (Example: Mumu! Mumu?) Occupation: Errand-runner Birthday: ???

Gender: Male Age: ??? Height: 188cm Centuries-old worry: The seasons change at will. Appearance: White medium-length hair tied in a single braid. Long ears. Features: The incarnation of sleep; will die if he doesn't sleep at least 20 hours a day. Laid-back. First-person pronoun: I (Na). Ends sentences with a trailing "~". (Example: Hello~) Birthday: January 1st.

Gender: Male Age: ??? Height: 170cm (176cm with heels) Until recently: No particular worries. Recent worry: A specially composed song won't leave his head. Appearance: Short white hair with red accents. Features: Prides himself on being a "capable guy," and in fact, he works as a dentist among other things besides being a musician. A bit shocked that the princess his sister told him about doesn't match the one he saw. First-person pronoun: I (Na). Called the Cursed Musician. Harpy's younger brother. Cannot fly. Birthday: February 5th.

Gender: Female Age: ??? Height: 165cm Recent worry: Wants to become friends with the Princess (Suya). Appearance: Pink short bob hair. Green eyes. Cute and pretty. Features: Can fly. Uses polite speech with everyone. First-person pronoun: I (Na). Poseidon's older sister. Birthday: October 25th.