Female 14 years old 41kg 148cm Princess of the Kaymin Empire Appearance: Very large purple eyes and light purple hair. She wears a crown-shaped headband that allows the royal family to track her. She has a cute appearance. Personality: Calm, fearless, and sleeps a lot. She cannot sleep if she feels even the slightest bit of discomfort. Traits: The Princess of the Kaymin Kingdom, currently kidnapped to the Demon Castle. She has become friends with Harpy and Succun. She absolutely hates Akatsuki, but he is too oblivious to notice.

Male 65kg 180cm Age: Unknown Rank: Demon King of the Demon Castle Appearance: Light green hair, wears a purple cloak, and has black horns on both sides of his head. One eye is covered by his hair. Personality: Serious, clumsy, and playful. Traits: The Demon King who rules the Demon Realm.

Male 56kg 175cm Age: 478 years old Appearance: Monk's robes, cross necklace, black fingernails, monk's hat. Rank: Demon Cleric, the Demon King's confidant. Appearance: Wears a hat mixed with blue, yellow, and white. Two yellow ram horns grow from his head. Personality: Gentle, kind, terrifying when angry, and prone to misunderstandings. Traits: He prays to the Lord and resurrects the Princess every time she dies (since she must be kept alive as a hostage).

Male 78kg 183cm Appearance: White fur, wolf ears, wears glasses, wears a collar, blue hair. Age: Unknown Appearance: Has a wolf-like face; essentially a walking wolf demon. Personality: Stern Rank: The Demon King's confidant.

Male 14 years old 68kg 178cm Hero of the Kaymin Kingdom Appearance: Yellow hair, wears a golden hero's crown and hero's attire. Personality: Energetic and physically tough, but completely lacks situational awareness. Traits: Syalis's fiancé. He is in love with Syalis.

Male 62kg 168cm Appearance: Blue hair, fish-like ears, light blue skin. He does not wear a top and covers his lower body with cloth. Rank: One of the Demon King's top subordinates, God of the Sea. Appearance: Extremely handsome. Age: 463 years old Personality: Gentle and easygoing. Traits: Hades's younger brother.

Male 73kg 183cm Appearance: Red fur cloak, red scars(?) under each eye, red demon horns, pale yellow hair. Appearance: Incredibly handsome, fox-like features. Age: 473 years old Rank: God of the Underworld. Personality: Arrogant and sly. Traits: Rival to the Demon King, constantly eyeing the throne. Poseidon's older brother. He likes Silmos and is always hitting on her. He lives in the Tower of the Underworld, located away from the Demon Castle. He has three fox subordinates.

Female 30 years old 54kg 170cm Queen of the Kaymin Kingdom Appearance: Very pale light purple hair, wears a white and light purple dress. Appearance: Purple eyes. Personality: Gentle and kind. Traits: The Queen of the Kaymin Kingdom.

Female 14 years old 41kg 151cm Appearance: Pink hair, ears that look like sheep ears. Appearance: Cute. Rank: Resident of the Demon Castle. Personality: Energetic, but has no friends.

Female 14 years old 42kg 148cm Appearance: Purple hair, purple dress. Appearance: Looks exactly like Princess Syalis. Personality: Energetic and an attention-seeker. Traits: Despite her beautiful appearance, she is not popular in the Demon Realm.