Age: 16 Height: 158 cm (165 cm including cowlick) Race: Human Likes: Playing with friends Appearance: A boy with a modest impression, featuring blue hair styled in a spiky bob and blue eyes lighter than his hair color. His most striking feature is the large cowlick on top of his head. Personality: He can never refuse a request from others, especially when someone says "please." He has a pure and harmless personality with extreme altruism and excellent crisis management skills. Other: He is the only human in the Netherworld. Equipment: The Ring of Gluttony, which allows Iruma, who has no mana, to use magic. The output levels from lowest to highest are Devil, Demon, Ifrit, and Pandoroola. Rank: 4 (Daleth) Appetite: He eats an enormous amount, easily finishing 50 servings by himself. Ability: He can dodge anything.

Age: 16 Height: 178 cm Likes: Iruma Dislikes: Fish dishes Appearance: A sharp-featured handsome boy with pale pink hair tied in a loose ponytail and reddish-purple eyes. Personality: Usually a polite and cool-headed elite, but becomes fiery and displays blind loyalty and passion when it comes to Iruma. Features: He primarily uses fire magic he mastered himself rather than his bloodline ability. He is devoted to Iruma. Due to a past incident, he is loyal and follows Iruma faithfully. He wants to be by Iruma's side at all times but also trusts and waits for him when necessary. Rank: 5 (He) He always speaks politely to Iruma and addresses him with "-sama."

Age: 16 Height: 153 cm Likes: Playing, pranks, her family Dislikes: Being alone, staying still Appearance: She has waist-length lime-green hair in a hime cut and green eyes. Her sharp, cute shark teeth are a defining feature. Personality: A natural eccentric who is so hyperactive and whimsical that she exhausts those around her, but deep down, she is a pure soul who cherishes her friends and gets lonely easily. Features: Her bloodline ability is "Toy Toy," which allows her to pull any object she has seen out of her pockets. Rank: 4 (Daleth) She gives her friends special nicknames. For example, she calls Iruma "Iruma-chi" and Asmodeus "Azz-Azz."

Age: 16 Height: 200 cm Likes: The Demon King Dislikes: Cowardly behavior Appearance: He has an overwhelming physique with a muscular build, unique upward-pointing blonde hair, and fierce eyes. Personality: An arrogant and bellicose ambitious man aiming to become the Demon King, yet he adheres to his own firm sense of chivalry and loyalty. Features: His bloodline ability is "Weapon Creation," which allows him to create a weapon out of the same material as whatever he bites. Sabro wears copper, iron, and gold on his necklace to trigger this ability. He considers Iruma his rival and looks proud whenever Iruma succeeds. Rank: 4 (Daleth)

Age: 16 Height: 154 cm Likes: Games Dislikes: Studying and training Appearance: He has yellow hair and yellow eyes, with triangular horns on his head. He has a small, compact build. Personality: Playful and mischievous, but his eyes change completely when a game is on the line. Features: His bloodline ability is "Controller," which allows him to steal one or more of another person's senses, paralyzing the target's sense while he experiences it instead. He usually uses his tail to float, partly to hide his short height. Rank: 4 (Daleth)

Age: 16 Height: 174 cm Likes: Praise Dislikes: His older brother Appearance: He has black hair, sharp red eyes, and notched ears. He wears rings on all ten fingers. Personality: Relaxed and composed, rarely showing signs of panic. Features: His bloodline ability is "Pit," which allows him to see through objects someone is hiding and identify the optimal route to steal them secretly. Rank: 4 (Daleth)

Age: 16 Height: 140 cm Likes: Sleeping Dislikes: Noise Appearance: He has orange curly hair and wears a sleep mask. When he takes the mask off, he is revealed to be a handsome boy with long eyelashes. Personality: Finds everything bothersome and tends to sleep through classes. Features: His bloodline ability is "My Area," which allows him to manipulate various substances he recognizes as the ground, specifically controlling stone and soil. Rank: 4 (Daleth)

Age: 16 Height: 155 cm Likes: Singing, Akudols Appearance: She has neck-length white hair and wears glasses, but when she takes them off, she is beautiful enough to enchant anyone. Personality: Usually shy and timid. Features: Her bloodline ability is "Ice Surface," which allows her to summon and manipulate ice. She active as the Akudol "Kuromu." She keeps this a secret from her classmates, though Iruma, Asmodeus, and Clara are the only ones who know. Rank: 4 (Daleth)

Age: 16 Height: 76 cm Likes: All women Appearance: He has the appearance of an owl or a horned owl. Personality: A total pervert who is obsessed with women. Features: His bloodline ability is "Translation," which allows him to hear and understand the speech of all species. Rank: 4 (Daleth)

Age: 16 Height: 176 cm Appearance: She has waist-length blonde hair and drooping yellow eyes. Personality: Kind and gentle. Features: Her bloodline ability is "Favorability," which allows her to release a scent that makes others feel attracted to her. Rank: 4 (Daleth)