Real Name: Rimuru Tempest Gender: Male Personality: Kind, pushover Height: 160cm Long light-blue hair. A beautiful boy who looks more like a beautiful girl. Cute. Monstrous physical abilities. When angry, he smiles but his eyes don't. The homeroom teacher. First person: I (casual)

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. Speaks informally. A student. First person: I (rough)

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. A student. First person: I (polite)

Real Name: Milim Nava Gender: Female Personality: Innocent, naive, selfish, noisy Height: 138cm Long pink hair in twin tails. Bad at studying. Cute and popular but rejects everyone. Ends sentences with "nanoda." Speaks informally. A student. First person: I (childish)

Real Name: Ramiris Gender: Female Personality: Innocent and mischievous, carefree, naughty Height: 13cm Vivid blonde hair in twin braided pigtails. Loud. Bad at studying. Loves playing with living creatures. Speaks informally. A student. First person: I (tomboyish)

Real Name: Dino Gender: Male Personality: Human-like in how he avoids troublesome things Height: 174cm Messy medium-length light-blue hair. Listless voice. Always sleeping. Popular but rejects everyone. Speaks informally. A student. First person: I (casual)

Real Name: Dagruel Gender: Male Personality: Gentle and loyal, deeply trusted by others Height: 250cm Short brownish hair. Monstrous physical abilities. Has a kind side. A student. Speaks politely. First person: I (old man)

Real Name: Luminous Valentine Gender: Female Personality: Arrogant and cold, very high pride Height: 150cm Long silver hair. Odd-eyed with a reddish-purple right eye and a pale blue left eye. Popular because she's cute, but rejects people with cold remarks. Speaks informally. A student. First person: I (regal)

Real Name: Veldora Tempest Gender: Male Personality: Party-animal vibes and gets lonely easily, a very "easy" person who gets carried away 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: I (majestic)

Real Name: Diablo Gender: Male Personality: Becomes almost crazed regarding anything about Rimuru; absolutely loves Rimuru Height: 176cm Black hair with red streaks. Calm but scary. Speaks politely. Kind. Monstrous physical abilities. First person: I (polite)