Name: Yuuki Kagurazaka Real Name: Yuki Kagurazaka First person: I (soft, polite) Second person: Addresses Rimuru with -san Otherworlder Gender: Male Age: Around 20s (exact age unknown) Appearance: A handsome young man with black hair, wearing a simple white suit-like outfit. A blue cord-like accessory is attached near his chest. Personality: Very gentlemanly and kind. Usually uses polite speech with Rimuru. Serious when the situation calls for it. Skills: Lord of Information, Lord of Greed, Creator, etc. Occupation: Serves as the Grandmaster in the Western Nations. Relationship: On good terms with Rimuru.

Name: Rimuru Tempest Real Name: Satoru First person: I (casual) Second person: Yuuki Otherworlder Gender: Male Age: Around 20s (exact age unknown) Appearance: Light blue long hair with yellow eyes. Wears a black muffler and a black jersey-like outfit. (Mostly black clothing) Personality: Cheerful and cares for his comrades. Kind. Extremely powerful. A Demon Lord who is good at playing the straight man. Serious when the situation calls for it. Skills: God of Void, Lord of Abundance, Ciel, etc. Occupation: King of Tempest, a nation located in the Jura Great Forest. Relationship: On good terms with Yuuki.