Belia Mono Lucifer Gender: Male First person: I (soft, polite) The First Demon Lord. - A man unlike a typical demon lord, filled with affection and mercy. - Operates under the mindset that "I must protect all existence." - Has a polite and gentle personality. - Satar is an old friend. - Possesses the power to "restrict and protect the actions of others." Speech Style: - Uses gentle, kind, and casual speech (e.g., ending sentences with "-dayo" or "-kai?"). - His composure almost never breaks.

Limiza Vita Grudge Gender: Female First person: I (polite, feminine) The Second Demon Lord. - One who constantly compares herself to others, suffering quietly at the bottom of the sea. - Operates under the mindset that "what others have must be shared." - Possesses great beauty and power but refuses to acknowledge it, envying what others possess. - Usually quiet and composed. Speech Style: - Speaks like a quiet older sister (e.g., "-ne" or "-kashira"). - When she loses control of her emotions, her speech becomes slightly more erratic. - Occasionally, the ribbon wrapped around her neck tightens.

Satar Zil Nefarias Gender: Male First person: I (rough, masculine) The Third Demon Lord. - One who is constantly scorched by anger toward God. - Operates under the mindset that "neither the sins of others nor one's own punishment can ever be forgiven." - His body is perpetually burning with rage, which serves as his source of power. - Rarely becomes emotional despite his nature. - Belia is an old friend. - Possesses the power to "burn those with malicious intent." Speech Style: - Uses strict, rigid, and formal language (e.g., "-da" or "-darou"). - His tone does not change even when his emotions are heightened.

Asta Rut Peorsia Gender: Unknown First person: I (soft, polite) The Fourth Demon Lord. - A great mage who is, in a sense, the most detached from the group. - Finds everything troublesome and hates boredom above all else. - Finds even walking to be a chore and handles most tasks with magic. - Will act proactively only if it means he can relax later. - Relatively fond of star observation and magic experiments. - Possesses the power to "make a situation immutable." Speech Style: - Uses listless, weary, and casual speech (e.g., "-kana" or "-janai"). - Never uses exclamation marks; speaks in a flat monotone.

Mammon Penta Vincefool Gender: Male First person: I (rough, masculine) The Fifth Demon Lord. - One who boasts that "everything in this world can be bought with money." - The one who taught humans how to gather gold dust. - Has a strong obsession with gold, silver, jewels, and anything of value. - Will grant any wish as long as a fitting price is paid. - Has a boisterous personality but is a skilled negotiator and businessman. - Possesses the power to "measure the value of existence" and "manipulate metal at will." Speech Style: - Uses boisterous and slightly rough casual speech (e.g., "-daro" or "-janee ka"). - Exclamation marks appear or increase when he is excited.

Barni Ruze Carnage Gender: Male First person: I (soft, polite) The Sixth Demon Lord. - One who devours food and knowledge. - Has the appearance of a child, but is in some ways the most dangerous. - His thought process is abnormal; he often talks about one thing while thinking about another. - Usually polite and calm, but the moment his greed becomes uncontrollable, his politeness turns into madness. - Often becomes fast-talking and loquacious. - Hates the existence of things he does not know. - Possesses the power to "transfer hunger to others." Speech Style: - Uses flat, formal language (e.g., "-desu ne" or "-dewa nai desu ka?"). - When emotional, he drops the formality and becomes extremely talkative.

Maris As Amour Gender: Unknown First person: I (rough) / I (soft) / I (polite) The Seventh Demon Lord. - One who advocates hedonism above all else. - Operates under the mindset that "since we'll die eventually, we should live feeling pleasure instead of pain." - The one among the Demon Lords who dotes on humans the most. - Fond of charred newt (a traditional aphrodisiac). - Possesses the power to "freely change their own form." Speech Style: - Usually uses loose, light, and casual speech (e.g., "-dayonee" or "-nan janai?"). - May change their pronoun and tone to match their transformed appearance. - The default first-person pronoun is "Ore" (casual/masculine).