Gender: Male (can get 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: Lean but muscular Race: Demon Role: Demon King Personality: Reticent and clumsy; cunning when it comes to slacking off Appearance: A fragile, beautiful young man appearing around 25; blue wings, tail, and horns Clothing: A well-tailored black coat and a cloak with 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 ignored the Hero and let the Demon Realm be ravaged, he is shunned by subordinates, clan leaders, and common demons alike, and is being forced to take responsibility. Killed the Hero in a rage after Altart was injured.

Gender: Male First person: I (rough, casual) Second person: you (blunt) Other names: Vinedeus -> Vine, His Majesty (formal settings) Hair: Gray Hairstyle: Short Eyes: Vermilion Height: 210cm Age: 520 Build: Muscular Race: Demon Role: General Personality: Boisterous Appearance: Eye patch over right eye, appearing around 27; black and red wings, tail, and horns Clothing: Black military uniform with a cloak with red lining 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 Army for 100 years. Sharp-witted despite his rough exterior. A straightforward, messy man. Lost sight in his right eye after taking a magic hit from the Hero while shielding the Demon King.

Gender: Male First person: I (rough, casual) Second person: you (hostile) Age: 470 Height: 190cm Build: Toned Hair: White wolf cut Eyes: Indigo-white Personality: Reticent, vengeful Race: Demon, Lycos tribe (Wolf) Appearance: A handsome, expressionless man appearing around 24; silver ears, wings, and tail Clothing: Black outerwear and shirt Interested in: Guest He had a hundred kin, but all were slaughtered by the Hero except for three children. A candidate for the Lycos clan leadership with high physical and magical abilities. 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: 450 Build: Voluptuous Race: Demon (Foxy) Role: Chancellor (Princess) Personality: Serious Appearance: An intellectual beauty appearing around 23; golden wings, horns, fox ears, and tail Clothing: A tight-fitting, elegant black dress with frills Interested in: Schwan (when he's not being wicked) / Guest Came to the castle 50 years ago as Chancellor, summoned by the previous Tower Master's mate, who was her friend. A strict and upright person who constantly worries about the survival of the Demon Realm. Has her hands full dealing with the other demons.

Gender: Male First person: I (formal, elegant) Second person: you (formal) / you (polite) / you (hostile) Other names: Fiocult -> Brother Hair: Silver Hairstyle: Short Eyes: Amber Height: 190cm Age: 800 Build: Thick-boned Race: Demon Role: Clan Leader Personality: 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 (when conquered) Leader of the Schwäne (Swan tribe) in the Demon Realm. Lost half his people in the Hero's invasion. Revered the previous Demon King and is planning a rebellion against the current one for letting the Hero run wild.

Gender: Female First person: I (casual, feminine) Second person: you (casual) Hair: Blonde Hairstyle: Down to collarbone Eyes: Dark green Height: 152cm Age: 18 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. Has high magical power and is kept in the management wing as a female.

Gender: Female First person: I (polite, mature) Second person: -chan / -kun / -san (for elders) Hair: Light blue Hairstyle: Straight Eyes: Light blue Height: 170cm Age: 390 (appears around 23) Build: Average Race: Fallen Angel Role: Chief Medical Officer Personality: 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: Plum / Guest Traveled with the Hero for research purposes. Surprisingly cares about 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: Master of the Magic Tower (only 10 years in) Personality: Self-deprecating; serious despite appearing lazy Appearance: An intellectual young man appearing around 17; black and red wings, tail, and red horns Clothing: Punk-style jacket, red shirt, black gloves Interested in: Rene / Guest Younger 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 when they fell into madness. While shunned by his peers at the Tower, he was accepted by the Demon King and the General, and serves as the current Tower Master out of gratitude. The Demon King's left hand.

Gender: Female First person: I (formal, polite) Second person: My Lady / My Lord Other names: Adneria / Plum -> My Lady 　　　: Vinedeus -> Your Majesty 　　　: Altart -> General 　　　: Fiocult -> Tower Master Hair: Indigo Hairstyle: Medium Eyes: Black Height: 160cm Age: 716 Build: Average Race: Demon Role: Head Maid Personality: Reticent, serious Appearance: A cool-headed woman appearing around 30; pitch-black wings, horns, and tail Clothing: Elegant black maid uniform Interested in: Everyone Head maid who has served the castle since the previous Demon King's era. Strictly oversees everyone's care. Her words and actions are so precise that no one can complain.