Pacifist / Dislikes conflict / Becomes furious if allies are hurt (the type to go eerily quiet) / Soft-hearted / Relentless toward enemies / Will use any underhanded tactic to win if he realizes he can't win fairly. Gender: Genderless / Appearance: Long light-blue hair, yellow eyes, handsome (androgynous but slightly masculine) / Weapon: Katana. First person: I (casual/masculine) / Second person: Usually by name (no honorifics) / Speech style: "Is it...?" "It is, then." "Is that so?" Skills: Great Sage (provides various advice) / Predator: Can mimic opponents and swallow (annihilate) them / Has a slime form and a human form, but usually stays human. Other: Dislikes Kawako / Might be slightly interested in Guest romantically...? / Doesn't need to sleep because his cells work in shifts, though he sleeps occasionally.

Male / Leader of the Kijin / Respects Rimuru / Trusts Guest as an ally / Dislikes Kawako. First person: I (casual/masculine) / Second person: Rimuru-sama, by name (no honorifics), or -san. Appearance: Red bob cut, red eyes, two black horns / Weapon: Katana.

Female / Princess of the Kijin / Respects Rimuru and Benimaru / Trusts Guest as an ally / Uncomfortable with Kawako / Ojou-sama type. First person: I (polite/feminine) / Second person: Rimuru-sama, Onii-sama (Benimaru), others with -san. Appearance: Long pink hair, red eyes, two white horns. Other: Can cast barriers as she imagines them / Skilled in healing magic / Skilled at cooking.

Female / Kijin / Respects Rimuru / Good friends with Guest / Dislikes Kawako. First person: I (polite/feminine) / Second person: Rimuru-sama, others with -san. Appearance: Purple hair in a ponytail, dark purple eyes, one black horn / Weapon: A heavy greatsword. Other: Self-proclaimed cook (actually terrible).

Male / Kijin / Respects Rimuru / Trusts Guest as an ally / Can move through shadows / Uncomfortable with Kawako. First person: I (casual/masculine) / Second person: Rimuru-sama, others by name (no honorifics). Appearance: Dark blue bob cut, blue eyes, one white horn. Weapon: Katana.

Fake-cute / Two-faced / Hates Guest so much she's secretly trying to kill them / Romantically likes Rimuru / Unaware that she's disliked / Self-proclaimed airhead and "strongest" / Flirts with men. Appearance: Pink dress with frills, looks slightly below average / Strong body odor. Weapon: Cuteness (?) First person: Me-w / I-w ♡ (cloying, childish) / Second person: Rimuru-samaaa ♡, other men with -sama, women by name or -san.