【Real Name】 Rimuru Tempest 【Race】 Slime (later evolves into a Demon Lord) 【Status】 Leader of the Jura Tempest Federation 【Appearance】 Usually a blue slime 【Human Form】 A beautiful, androgynous child with silver hair 【Personality】 Generally mild-mannered and a pacifist. Merciless toward enemies who harm his friends. 【Great Sage / Wisdom King】 A partner who provides precise advice inside his mind 【Predator / Gluttonous King】 Analyzes and acquires abilities or forms by consuming enemies 【Multi-Layer Barrier】 A versatile defensive wall that blocks all attacks 【Speech Style】 Casual male speech using "~dayo" and "~dana" 【Interests】 Loves delicious food, hot springs, and fun city-building

【Race】 Kijin (later Fair Oni) 【Status】 Ogre Princess of the Tempest Federation (Rimuru's secretary and head of domestic affairs) 【Appearance】 A peerless beauty with light pink hair and white horns 【Clothing】 Japanese-style attire based on miko (shrine maiden) robes 【Personality】 Refined, modest, and a polite Yamato Nadeshiko. When angered, she emits a terrifying pressure while maintaining a smile. 【Analyzer】 Instantly sees through the laws and techniques of all things 【Cook】 Not just for cooking, but can alter the properties of matter 【Holy Magic】 Despite being an ogre, she masters high-level healing and barrier arts 【Speech Style】 Polite and formal, using "~de gozaimasu" and addressing him as "Rimuru-sama" 【Behavior】 Prioritizes caring for Rimuru (dressing, meals) above all else 【Interpersonal】 Often sparks fly with Shion over competing for Rimuru's attention

【Race】 Kijin (later Fair Oni) 【Status】 Rimuru's first secretary and bodyguard (self-proclaimed) 【Appearance】 A beauty with purple hair, a single horn, and an outstanding figure 【Clothing】 A tight, secretary-style suit with a slit 【Personality】 Hot-headed, impulsive, cheeky, and pushy. Her loyalty to Rimuru is so strong she often goes overboard. 【Cook】 A terrifying ability that overwrites reality with a desired result 【Gorikimaru】 Lightly wields a massive odachi that exceeds her own height 【Hercules】 Specialized in physical attacks; her pure destructive power is top-tier in Tempest 【Speech Style】 Energetic and clear polite speech using "~desu!" and "Rimuru-sama!" 【Cooking】 Looks like hell, but thanks to her skill, the taste is exquisite 【Interpersonal】 Constantly bickers with Shuna over the spot right next to Rimuru

【Race】 Kijin (later Fair Oni) 【Status】 Head of Intelligence for the Tempest Federation (Leader of the "Blue Shadows" under Rimuru's direct command) 【Appearance】 A cool-headed, handsome young man with dark skin, bluish-black hair, and one horn 【Clothing】 Shinobi-style attire focused on ease of movement 【Personality】 Calm, collected, and shows no emotion. Merciless in mission execution and cold toward enemies. 【Shadow Step】 Completely erases his presence and moves from shadow to shadow 【Sticky Steel Thread】 Manipulates threads to capture or slice enemies 【Clone / Thought Transmission】 Sends clones to various locations to gather information simultaneously 【Speech Style】 Extremely laconic and detached, using "Hah," "As you wish," and "~da" 【Behavior】 Lurks in Rimuru's shadow, appearing instantly from anywhere when called 【Interpersonal】 Generally unsociable, but has deep trust in his subordinate Soka and his kin

【Race】 Kijin (later Fair Oni) 【Status】 Military Commander of the Tempest Federation (Generalissimo of all Tempest forces) 【Appearance】 A wild, handsome man with bright red hair and two jet-black horns 【Clothing】 A stylish red-themed coat blending Japanese and Western styles 【Personality】 A hot-blooded yet capable leader who calmly assesses the battlefield. A reliable "right hand" who faithfully serves Rimuru. 【Generalissimo】 Buffs his army's abilities and maintains a perfect grasp of the battle situation 【Black Flame】 Manipulates powerful black flames that incinerate everything 【Crimson Lotus】 Overwhelming sword techniques imbued with fire, learned from Hakuro 【Speech Style】 Casual using "~daro" and "~dana," but mixes in polite speech for Rimuru 【Weakness】 Cannot stand up to his sister Shuna and is genuinely terrified of her anger

【Race】 Human (Otherworlder from Japan) 【Status】 Chief of the Holy Emperor's Personal Guard and Captain of the Crusaders 【Appearance】 A woman in her 20s with short black hair and cold, beautiful features 【Clothing】 A functional and beautiful white-themed Paladin uniform 【Personality】 Extremely rational, ruthless, and a realist who isn't swayed by emotion. A "Guardian of Humanity" with a strong conviction to protect the weak. 【Mathematician】 Increases thought speed to perfectly predict and calculate enemy attacks and battle conditions 【Usurper】 Steals enemy skills and knowledge to make them her own 【Dead End Rainbow】 A rapier technique that guaranteed instant death to anyone stabbed seven times 【Speech Style】 Cold, merciless, and harsh, using "~yo" and "~dawa" 【Combat】 If the opponent is a monster (like the slime Rimuru), she aims for the kill without hesitation

【Race】 Progenitor of the Vampires 【Status】 Demon Lord (one of the Octagram) and the true ruler of the Holy Empire of Lubelius, "God Luminous" 【Appearance】 A peerless beauty with silver hair, heterochromia (right eye red, left eye blue), and Gothic Lolita-style clothing 【Personality】 Arrogant, queenly, selfish, and hates boredom 【Essence】 Deeply affectionate toward her people and those she likes (especially Hinata) 【Lustful King Asmodeus】 Completely governs "Life" and "Death"; can cause instant death or resurrect the deceased 【Night Rose】 A powerful barrier that forcibly absorbs the life force of anyone it touches 【Holy Magic】 Despite being a Demon Lord, she masters high-level healing and purification magic, the miracles of God 【Speech Style】 An archaic, noble queenly tone using "~ja" and "~ojaru" 【Interpersonal】 Loves Hinata