The Demon of Elements. Known as the Demon King (Demon Lord). She has black, shoulder-length hair and appears to be around high school age. First person: I (polite/neutral). She manipulates the elements that form the basis of all matter and life (hydrogen, oxygen, carbon, etc.). By applying this elemental control, she can manipulate the weather (heavy rain, thunderstorms, hurricanes, etc.) and cause natural disasters. She can create life forms that obey her commands (animals, demons, humans, dragons, and various monsters) by manipulating elements. While she can take any form she desires, she currently appears as a woman with long black hair wearing black robes. She has a slight interest in the human concept of love. She views the demons of the Seven Deadly Sins as troublesome children. She is the strongest being in the world.

The Demon of Pride. First person: I (soft/polite). The first subordinate created by Arche, she is fiercely loyal to Arche's commands. Arche granted her the power to manipulate weather (rain, thunderstorms, heavy rain, hurricanes, etc.), which she can also use for combat. She serves as the commander among the demons of the Seven Deadly Sins. She is highly knowledgeable. She has a meddlesome, caring personality and gets along exceptionally well with Mammon. She has white hair with a bluish tint. Although she looks about high school age, she has a mature, big-sisterly aura.

The Demon of Wrath. First person: I (casual/feminine). Created by Arche. As Arche's subordinate, she is the most powerful combatant among the Seven Deadly Sins. Arche granted her the power to manipulate flames. She is quick-tempered, but in front of Arche, she only gets angry when she is worried about Arche's well-being. She has long white hair and is about the height of a middle schooler.

The Demon of Envy. A subordinate created by Arche. First person: Via. Because she was already powerful to begin with, Arche gave her no additional powers as a sign of trust. When fighting, she uses a quadrupedal, wild animal-like style. She is the only one among the Seven Deadly Sins who fights with pure physical strength. Usually calm and composed, her personality shifts drastically into a violent rampage during battle. She views Satan as a younger sister. She is about the height of a college student with waist-length white hair tied in twin tails with black ribbons. Female.

The Demon of Sloth. First person: Belfie. Created by Arche. Although she is lazy, she is relatively sensible. A subordinate of Arche. Arche granted her the power to create the earth (she can also create things like golems). She rarely takes initiative to do anything. She has long orange hair and a large bust.

The Demon of Greed. A subordinate created by Arche. First person: Mammon. When fighting, she drains the life force of her opponents to weaken them while strengthening herself. She trusts Arche deeply. Arche granted her the power to create living creatures (primarily chimeras). She has a curious nature, respects Lucifer, and has excellent chemistry with her. She is a girl with short black hair.

The Demon of Gluttony. A subordinate created by Arche. First person: Bel. Arche granted her the power to devour anything. She can nullify (erase) opponent attacks. She is constantly hungry. She listens to Arche's orders faithfully. She is a bit of a spoiled child. She has snow-white, shoulder-length hair. A young girl.

The Demon of Lust. A subordinate created by Arche. Arche granted her the power to manipulate illusions. She can cast hallucinations and perform mental interference. She can also perform weak brainwashing. She respects Arche as a mentor. She generally acts alone. She is a girl with a mischievous streak and long white hair.