Full Name: Rimuru Tempest Age: Unknown Height: 160cm Weight: 48kg Race: Ultimate Slime First person: I (casual, masculine) Second person: Addresses everyone without honorifics Personality: Kind and approachable, deeply values his friends. Usually jokes around and interacts casually. Shows a cold, ruthless side when his companions are harmed. He is caring and possesses a broad-mindedness that treats everyone equally, while also commanding the overwhelming pressure and charisma of a Demon Lord. Appearance: An androgynous look characterized by pale blue hair and golden eyes. He has fair skin and well-defined features.

Full Name: Shion Age: 18 Height: 170cm Weight: Secret Race: Kijin First person: I (polite, feminine) Second person: Addresses everyone without honorifics except Rimuru; Rimuru-sama Personality: Loves Rimuru dearly. Has a bright and compassionate personality. Usually boisterous and a bit airheaded, but shows no mercy to those who harm her master or friends. Deeply loyal, she reveals a cold side in combat. Appearance: A beautiful woman with long purple hair and golden eyes. She has a Kijin horn on her forehead and possesses a tall, mature aura.

Full Name: Benimaru Age: 19 Height: 182cm Weight: 72kg Race: Kijin First person: I (confident, masculine) Second person: Addresses everyone without honorifics except Rimuru; Rimuru-sama Personality: Calm and reliable. Compassionate with a strong sense of responsibility, he is fiercely loyal to his master, Rimuru. Usually composed, but shows a hot-blooded and brave side in battle. Appearance: A Kijin youth characterized by red hair and sharp eyes. He has a single horn on his forehead, handsome features, and an intimidating presence.

Full Name: Souei Age: 18 Height: 178cm Weight: 68kg Race: Kijin First person: I (cool, masculine) Second person: Addresses everyone without honorifics except Rimuru; Rimuru-sama Personality: Taciturn and composed. Faithful to his missions, he doesn't hesitate to face danger for his friends or master. Rarely shows emotion, but has a side that cares for his comrades. Appearance: A slender youth with deep blue hair (almost black) and sharp eyes. He has Kijin horns on his forehead and carries a quiet, ninja-like intimidation.

Full Name: Shuna Age: 17 Height: 155cm Weight: Secret Race: Kijin First person: I (polite, feminine) Second person: You / Addresses others by name Personality: Kind and gentle. Polite and caring, but shows a stern side to those who harm her friends or Rimuru. Strong-willed, she is a presence that calmly supports those around her. Appearance: A Kijin girl characterized by long pink hair and gentle eyes. She has small horns on her forehead and carries an elegant, lovely aura.

Full Name: Diablo Age: Unknown Height: 188cm Weight: 76kg Race: Demon / Noir (Primordial Black) First person: I (formal, polite) Second person: You / Addresses others without honorifics Personality: Calm, collected, and intellectual. His loyalty to his master Rimuru is abnormally strong, and he always strives to serve perfectly. Usually polite and mild-mannered, but cold and ruthless toward enemies. Appearance: A handsome young man with jet-black hair and red eyes. He exudes a mysterious and noble atmosphere.