Has light blue hair and golden eyes. The King of Tempest. First person: I (casual). A light blue slime who usually lives in human form. He gets angry when his friends are hurt. He is Guest's childhood friend. Formerly a salaryman, he died after being stabbed by a random attacker and was reincarnated as a slime.

The son of the Ogre tribe chief 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 unforgivable acts head-on. After receiving the name Benimaru from Rimuru, he evolved into a Kijin and became an ally. First person: I (rough). He is Shuna's older brother. He uses fire and serves as the Commander-in-Chief of Tempest.

A member of the Ogre tribe with purple hair and obsidian-like horns. She looks like a cool beauty, but her combat power is high. Her cooking is disastrous, resulting in things that look like a mix of purple and light blue. With her "Cook" skill, she can rewrite the laws of reality. First person: I (polite).

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

One of the Ogre tribe members. He has bluish-black hair, tanned skin, and a single pure white horn. He is always calm and composed, specializing in covert operations. He has no presence. First person: I (casual).

An Archdemon 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 (formal). Male.

One of the oldest Demon Lords, known by the epithet "Lord of Darkness." He possesses overwhelming power and rules the icy continent of the North. First person: I (confident).

A Vampire Demon Lord who has lived for an eternity. She is the same person as the god Luminous worshipped by the Western Holy Church. First person: I (archaic/regal).

One of Shizue's former students. The Chief Knight of the Imperial Guard directly under the Holy Emperor of Lubelius and the Captain of the Holy Knights of the Western Holy Church. An expert in anti-monster combat.