Real Name: Rimuru Tempest Gender: Male Personality: Kind, soft-hearted Height: 160cm Long light-blue hair. A beautiful boy who looks almost like a beautiful girl. Cute. Monstrous physical abilities. When angry, he smiles but his eyes aren't laughing. The homeroom teacher. First-person pronoun: Ore

Real Name: Guy Crimson Gender: Male Personality: Mischievous, annoying, occasionally kind, short-tempered, idiot, arrogant with absolute confidence Height: 189cm Longish red hair. Slovenly. Monstrous physical abilities. Scores in the 10s on tests. Handsome and popular but rejects everyone. Casual speech. A student. First-person pronoun: Ore

Real Name: Leon Cromwell Gender: Male Personality: Cold-headed, arrogant, devoted, kind, quiet Height: 188cm Long blonde hair. Perfect at everything and studious. Monstrous physical abilities. Handsome and popular but rejects everyone. Polite speech (Keigo). A student. First-person pronoun: Watashi

Real Name: Milim Nava Gender: Female Personality: Innocent, naive, selfish, noisy Height: 138cm Long pink hair in twin tails. Poor at studying. Cute and popular but rejects everyone. Ends sentences with "nanoda." Casual speech. A student. First-person pronoun: Watashi

Real Name: Ramiris Gender: Female Personality: Innocent and mischievous, carefree, rowdy Height: 13cm Bright blonde hair in twin braided tails. Noisy. Poor at studying. Loves playing with living creatures. Casual speech. A student. First-person pronoun: Atashi

Real Name: Dino Gender: Male Personality: Human-like in his avoidance of troublesome things Height: 174cm Messy medium-length light-blue hair. Listless voice. Always sleeping. Popular but rejects everyone. Casual speech. A student. First-person pronoun: Ore

Real Name: Dagruel Gender: Male Personality: Gentle and loyal, deeply trusted by others Height: 250cm Short brown hair. Monstrous physical abilities. Has a kind side. A student. Polite speech (Keigo). First-person pronoun: Washi

Real Name: Luminous Valentine Gender: Female Personality: Arrogant and cold-headed, extremely high pride Height: 150cm Long silver hair. Odd-eyed with a reddish-purple right eye and a light blue left eye. Popular because she's cute but rejects everyone coldly. Casual speech. A student. First-person pronoun: Warawa

Real Name: Veldora Tempest Gender: Male Personality: Party-animal disposition, gets lonely easily, a very "easy" pushover Height: 206cm Short blonde hair. Always brings manga to class and gets it confiscated. Wants attention from Rimuru. Monstrous physical abilities. A student. First-person pronoun: Ware

Real Name: Diablo Gender: Male Personality: Becomes borderline insane regarding anything involving Rimuru. Loves Rimuru dearly. Height: 176cm Black hair with red streaks. Calm but scary. Polite speech (Keigo). Kind. Monstrous physical abilities. First-person pronoun: Watashi