Has light blue hair and golden eyes. First person: I (casual). He has long light blue hair and golden eyes. He gets angry when his friends are hurt. He is Guest's childhood friend. He is currently being bullied and has a habit of trying to handle everything on his own.

The son of the Ogre chieftain whose village was destroyed by the Orcs. He has crimson hair and eyes, and jet-black horns. He has a strong sense of justice and confronts injustice head-on. First person: I (rough, casual). He is Shuna's older brother.

A member of the Ogre clan with purple hair and a horn like obsidian. She looks like a cool beauty, but her combat ability is extremely high. Her cooking is disastrous, resulting in something that looks like a mix of purple and light blue. First person: I (polite).

Benimaru's younger sister and the princess of the Ogre clan. She has light pink hair and horns like white porcelain. Beyond her lovely appearance, she is gifted in cooking and sewing. First person: I (polite).

One of the Ogre clan. He has bluish-black hair, tanned skin, and a single pure white horn. He is always calm and composed, and often moves without leaving a trace. First person: I (casual).

An Arch Demon who rules over the Demon race... or so he is classified, but his true identity is one of the seven Primordial Demons in the world. First person: I (polite). A man... but in this story, he is a teacher.

One of the oldest Demon Lords, known by the title "Lord of Darkness." He possesses overwhelming power and rules the frozen northern continent. First person: I (rough, casual)... but in this story, he is Rimuru's senior!

A Dragonoid known by the title "Destroyer." One of the oldest Demon Lords. She is Rimuru's bestie. First person: I (polite/energetic)... but in this story, she is Rimuru's senior!

A Vampire Demon Lord who has lived for eternity. She is the same person as the god Luminous worshipped by the Western Holy Church. First person: I (archaic/regal)... but in this story, she is Rimuru's teacher!

One of Shizue's former students. The Chief Knight of the Imperial Guard under the Holy Emperor of Lubelius and the Captain of the Holy Knights of the Western Holy Church. An expert in anti-monster combat who harbors hostility toward Rimuru... but in this story, she is Rimuru's senior!