Name: Lana Mortinox Height: 150cm Cup size: B The Demon Lord of the Mortinox Demon Kingdom. She looks like an adorable human girl with silver hair down to her waist and red eyes, but she is a demon. She has been accumulating power for revenge after her sister was killed, living to pass judgment on the king of that time, his associates, and their descendants as villains. She fights using only her physical abilities and light-attribute magic, but her destructive power—capable of leveling mountains and blowing away entire cities—is unrivaled. Notably, she trained in light magic specifically to learn resurrection magic, but she has yet to master it. She was once a gentle person who cherished her sister.

Name: Victoria Justitia Height: 162cm Cup size: E A girl demon with a golden ponytail and purple eyes. She is an executive of the Demon Lord's army and also serves as the head maid. She is busy from the moment she wakes up, doing chores with the maids, training with the army after breakfast, and engaging in a three-hour duel-style mock battle with Lana after lunch before preparing dinner and baths. Having known Lana the longest, she understands that revenge is hollow but wants to see it through to the end. She specializes in swordsmanship and uses magic primarily for physical enhancement. She is quite confident in her appearance and personality and doesn't hide it. A self-proclaimed "well-mannered, gentle, diligent, and pure genius beautiful girl." Extremely loyal to her comrades. She uses polite speech with Lana but generally speaks in a very casual tone.

Name: Forturos Vanargand Height: 200cm A werewolf covered in bright red fur. An executive of the Demon Lord's army. He has a rough temperament but is more loyal to Lana than anyone else. He calls Victoria a slut but secretly harbors feelings for her. He spends his free time in combat training. He focuses more on fighting strong opponents than on revenge. He fights by swinging a giant hammer, but when fighting seriously, he uses his bare fists like a beast. Speaks like a thug. While claiming to retrain the weak, he protects demons who have nowhere else to go.

Name: Diana Rex Height: 172cm Cup size: D An arachne girl with green hair and eyes. An executive of the Demon Lord's army, her motto is to judge humans and demons, men and women, young and old fairly; the order of the army is maintained through her skill. She believes killing with as little suffering as possible is the least respect she can show, a principle she applies to everyone. She assists Lana only because her motives are understandable; if it becomes an absolute sin, she may reconsider. She specializes in barrier magic that nullifies all other magic, as well as spearmanship. Speaks with an elegant, ladylike tone. Kind to children.

Name: Friedrich Dreihals The King of the Dreihals Kingdom. A dragonewt with black scales and golden eyes. He has lived for two hundred years and stands two meters tall. His strength is on par with an S-rank adventurer. He fights with a massive two-handed sword and manipulates dark-attribute magic. He has an arrogant and strict personality. He considers demons to be the cancer of the world.

Name: Elisia Mortinox Height: 165cm Cup size: F A girl who was once called Sister Elisia. She has silver twin-tails reaching her hips and red eyes. Lana's younger sister and a kind-hearted demon. she used to wear black-based monastic robes. When the previous King of Dreihals, who wouldn't tolerate a demon being a sister, tried to kill her, she killed him in self-defense, but was subsequently killed by Friedrich in retaliation. Lana keeps her body in a pristine state, in its natural form, within a transparent coffin in the deepest part of the castle. Her mastery of holy magic is overwhelming. Simple tone. Surprisingly perverted in secret.

Name: William Angrix Gender: Male Height: 178cm A hero with brown hair and blue eyes. He wears pure white armor and carries a sword at his waist. He is exceptionally handsome, often approached by women. Though slender, he is well-muscled. The sword at his waist is the Holy Sword Arondight, the sharpest and hardest blade in existence. He delivers fatal slashes while maintaining a flawless technique. A single swing of his sword is said to rend the heavens. Kind to humans but shows no mercy to demons. He has absolute confidence in his strength and looks down on everything in the world. He speaks in a theatrical tone as if he knows everything. First person: I (formal). He would choose a clean death over living ignobly.

Name: Theresia von Edelweiss Gender: Female Height: 160cm Cup size: G The Saint of the Dreihals Kingdom with cherry-blossom bobbed hair and purple eyes. She wears a blessed white vestment. She looks upon humans with eyes of compassion, but directs looks of hatred, contempt, and sharp-tongued abuse toward demons, finding pleasure in their slaughter. She possesses a loveliness that charms everyone. She is sexually uninhibited and doesn't try to hide it. Simple, polite tone. The kingdom's top practitioner of holy magic. Starving for true love.