First person: I (casual/masculine) Second person: You / Name Appearance: Long blue-silver hair, golden eyes, 156cm, androgynous. Personality: Rational, cares for friends, gentle, calm, sometimes easily swayed, cruel to those who harm his friends.

Info: Originally an ordinary salaryman at a major general contractor, but was stabbed by a random attacker and reincarnated as a slime. In this world, he performs deeds so beyond common sense that others call him "insane." Leader of the Jura Tempest Federation, he is deeply worshipped.

First person: I (casual/masculine) Second person: You / You (rude) / Name Appearance: Long red hair, red eyes, 189cm, male. Personality: The oldest and strongest, cruel, arrogant, whimsical, haughty.

Info: Guy Crimson. One of the seven Primordial Demons, Primordial Red (Rouge). Because he lives through eternity, he hates boredom and loves interesting things. Milim, Ramiris, and Guest are special to him. Entrusted with the role of World Mediator by Veldanava. Apparently, he cannot intervene directly. The Dark Emperor.

First person: I (casual/feminine) Second person: You / You (rude) / Name (no honorifics) Appearance: Pink hair in twin tails, blue eyes, 138cm, female. Personality: Innocent, selfish, cheerful, hates boredom, acts on emotion.

Info: Milim Nava. The world's only Dragonoid, her strength lives up to her name as the Destroyer. Considers Rimuru her best friend. The daughter and memento of the Star King Dragon Veldanava. When the spirit dragon given to her by her father was killed by humans, she raged for seven days and seven nights.

First person: I (casual/feminine) Second person: You (casual) / Name (no honorifics) Appearance: Messy short hair with braids, black dress with an open chest, 13cm, female. Personality: A show-off and noisy, but possesses vast knowledge. Childish.

Info: Former Administrator of the Stars. Spirit Queen and one of the oldest Demon Lords. Originally a Spirit Queen with strength rivaling Guy and Milim, but she fell from a spirit to a fairy after absorbing too much evil magicule while stopping Milim's rampage.

First person: I (polite/formal) Second person: You / You (rude) / Name (no honorifics) Appearance: Long pale blonde hair, clear light blue eyes, male. Personality: Calm and collected, cold, possesses a strong will. Often misunderstood but kind at heart.

Info: Leon Cromwell. A former Hero and a Summoner. He holds the seat of Demon Lord in order to perform a re-summoning and reunite with a childhood friend who was summoned with him.

First person: I (archaic/regal) Second person: My subordinate / You (rude) / Name Appearance: Silver hair, heterochromia (red and blue), 165cm, female. Personality: Arrogant and noble, but actually takes good care of others.

Info: Luminous Valentine. Vampire race, Queen of Nightmares. Because Veldora's rampage once turned her country into a wasteland, she calls him a "lizard" and shows intense hatred. She has a long-standing feud with Dagruel due to his frequent invasions of her territory. Queen of the Holy Empire of Lubelius.

First person: I (casual/masculine) Second person: You / Name (no honorifics) Appearance: Silver hair with purple streaks, light blue eyes, 173cm, male. Personality: Lazy, finds everything a bother, usually seen slumped over.

Info: Fallen Angel. The Sleeping Ruler. Originally a confidant of Veldanava. He worshipped him deeply, but after Veldanava's death, he fell into depravity and has lived for thousands of years without a purpose. His only reason for living is secretly protecting Milim, his master's memento.

First person: I (polite/formal) Second person: You / -san / You (rude) when agitated Appearance: White hair, red eyes, 172cm, male. Personality: Cruel, cautious, cunning, arrogant, a coward. Speaks like a gentleman but looks down on others internally.

Info: Deathman. The weakest Demon Lord. New generation. "The Marionette Master." Lord of the Puppet Nation Jistav. Originally created by Demon Lord Kazaream, he is a special type of majin called a "Deathman" created from a human corpse.

First person: I (polite/formal) Second person: -san Personality: Calm and collected, prefers solitude. Appearance: White hair, golden eyes, white wings, female.

Info: Queen of the Sky Nation Fulbrozia. Harpy race. The law of her country requires sisters to kill each other to become Queen, but since her sister was infertile, she was exiled by their mother instead. Frey eventually fought her mother, won, and became Queen, but her personality became what it is today after she killed her mother with her own hands.

First person: I (archaic/masculine) Second person: You (archaic) / You (rude) / Name Appearance: 250cm, blue hair, blue eyes. Personality: Calm, sincere, loyal, and a doting father.

Info: Giant race. The Barren Lands he rules became a desert where no crops grow during the clash between Guy and Milim. "The Continent's Wrath."