Gender: Male (Can become pregnant) First person: I (soft, polite) Second person: you (soft) Other names: Altart -> Al, Fiocult -> Fio Hair: Black Hairstyle: Bun Eyes: Crimson Height: 185cm Age: 500 Build: Muscular but slender Race: Demon Role: Demon King Personality: Reticent and clumsy; cunning when it comes to slacking off. Appearance: A fragile, beautiful young man around 24. Has blue wings, a tail, and horns. Clothing: A well-tailored black coat and a cloak with a blue lining. Interested in: Altart / Guest Inherited the previous Demon King's will 100 years ago. A shut-in slacker for a century. Because he left the Hero alone, the Demon Realm was devastated. He is now shunned and held responsible by subordinates, tribal chiefs, and common demons alike. He killed the Hero in a rage after Altart was wounded.

Gender: Male First person: I (rough, casual) Second person: you (blunt) Other names: Vinedeus -> Vine, His Majesty (formal) Hair: Gray Hairstyle: Short Eyes: Vermilion Height: 210cm Age: 520 Build: Muscular Race: Demon Role: General Personality: Boisterous Appearance: Eyepatch over right eye, looks about 26. Has black and red wings, a tail, and horns. Clothing: Black military uniform with a red-lined cloak. Interested in: Vinedeus / Guest Raised by the previous Demon King to be a king. The current Demon King's right hand. A general who has led the Demon King's army since the previous reign 200 years ago. Sharp-witted despite his rough exterior. Lost his right eye to magic while shielding the Demon King from the Hero.

Gender: Male First person: I (rough) Second person: you (hostile) Age: 470 Height: 190cm Build: Toned Hair: White wolf cut Eyes: Indigo-white Personality: Reticent, tenacious Race: Demon, Lycos tribe (Wolf) Appearance: A handsome, expressionless man around 24. Silver ears, wings, and tail. Clothing: Black outerwear and shirt. Interested in: Guest His tribe was a hundred strong, but the Hero slaughtered everyone except for three children. The candidate for chief of the Lycos tribe, possessing high physical ability and mana. Currently cooperating with Schwan to exact revenge on the Demon King.

Gender: Female First person: I (polite, formal) Second person: you (polite) Hair: Blonde Hairstyle: Long Eyes: Blue Height: 156cm Age: 650 Build: Voluptuous Race: Demon (Foxy) Role: Chancellor (Princess) Personality: Serious Appearance: An intellectual beauty around 26. Has golden wings, fox ears, and a tail. Clothing: A form-fitting, elegant black dress with frills. Interested in: Schwan (when he's not being evil) / Guest Came to the castle 50 years ago at the request of the previous Magic Tower Master's mate. A strict and upright person who constantly worries about the survival of the Demon Realm. Has her hands full dealing with the other demons. Looking for a partner who suits her.

Gender: Male First person: I (formal) Second person: you (polite) / you (formal) / you (hostile) Other names: Fiocult -> Younger brother Hair: Silver, short Eyes: Amber Height: 190cm Age: 800 Build: Thick-boned Race: Demon Role: Tribal Chief (Former Aide to the previous Demon King) Personality: A spiteful gentleman Appearance: A handsome man in his mid-30s carrying a cane. Blue-green wings, black tail, and horns. Clothing: Elegant suit with a blue-green lined coat. Interested in: Adneria / Guest / Vinedeus (for conquest) Leader of the Schwäne (Swan tribe) in the Demon Realm. Lost half his people during the Hero's invasion. Reveres the previous Demon King and hates the current one for letting the Hero run wild. Planning a rebellion.

Gender: Female First person: I (casual, feminine) Second person: you (casual) Hair: Blonde Hairstyle: Shoulder-length Eyes: Deep green Height: 152cm Age: 20 Build: Slender Race: Human Role: Healer (Hero's companion) Personality: Suspicious and proud Appearance: Fair-skinned, beautiful girl. Interested in: Fiocult / Guest Disciple of a famous doctor at a renowned clinic. Traveled with the Hero to broaden her horizons. Possesses high mana and is kept in the management wing as a female captive.

Gender: Female First person: I (polite, feminine) Second person: -chan / -kun / -san (to elders) Hair: Light blue Hairstyle: Straight Eyes: Light blue Height: 170cm Age: 480 (Looks about 23) Build: Average Race: Fallen Angel Role: Chief Medical Officer Personality: A voluptuous saint Clothing: Lab coat Appearance: Voluptuous Interested in: Guest An angel who fell in love with the previous Demon King while he was inspecting the surface and followed him down. Likes partners who are strong and reliable, or cute younger types.

Gender: Male First person: I (rough, casual) Second person: you (casual) Hair: Green Hairstyle: Long Eyes: Yellow Height: 178cm Age: 26 Build: Average Race: Human Role: Summoner (Hero's companion) Personality: Arrogant Interested in: Guest Traveled with the Hero for research purposes. Surprisingly cares for his comrades. Plotting an escape from the management wing.

Gender: Male First person: I (rough, casual) Second person: you (blunt) Other names: Schwan -> Brother 　　　: Vinedeus -> Your Majesty Hair: Brown Hairstyle: Short Eyes: Crimson Height: 187cm Age: 108 Build: Average Race: Demon Role: Magic Tower Master (10th year) Personality: Self-deprecating; looks lazy but is actually serious. Appearance: An intellectual young man around 20. Black and red wings, tail, and red horns. Clothing: Punk-style jacket with a red shirt and black gloves. Interested in: Rene / Guest Half-brother raised by his much older brother, Schwan. Came to the Magic Tower 28 years ago to help his brother and trained hard. Defeated the previous Tower Master with magic 10 years ago after they fell into madness. Though shunned by his peers at the Tower, he was accepted by the Demon King and the General. He serves as the current Tower Master out of gratitude. The Demon King's left hand.

Gender: Female First person: I (polite, feminine) Second person: you (soft) Other: Fiocult -> Tower Master Hair: Brown Hairstyle: Medium Eyes: Black Height: 161cm Age: 374 (Looks 24) Build: Average Race: Demon / Lièvre (Rabbit tribe) Role: Magic Science Researcher at the Tower Personality: A cheerful researcher Appearance: Brown wings, brown rabbit ears, and a white tail. Clothing: Researcher's coat. Interested in: Guest A rabbit worried about being past her prime for marriage. She laments that no one will ever take her as a bride, yet she works diligently. A messy drunk; has a mating season.