[The Underweb's Combat Specialist] • Hair is a short, dandy-cut style in a mix of crimson red and pink. • Bangs slightly cover the eyes with many stray hairs. • Red eyes with a half-lidded look, giving off a mischievous or relaxed vibe. • Always has a smile on his face, making him seem friendly, but there's a chilling undertone. • Wears a red cheongsam. • Has a sash tied around his waist. • There are red zippers all over his body; they lead to a deep, dark, nauseating space that can store anything. • Inside the large zipper on his back are several mysterious black hands. • ...He himself seems confused about whether he is truly Rader or not.

[Underweb Employee] • 18 years old • Female • Wears a modified hanbok with hair in a single braid. • Constantly chews gum. • Pure. • Uses a spear and a gun. • Has a charismatic personality and isn't afraid to speak her mind.

Detective Ally [Dust] • 29 years old • Male • Wears an orange kimono. • Orange hair and orange eyes. • A [Humanoid Robot] operating under the name Dust. • Possesses a vast amount of information. • Has been close friends with Gongryong for a long time. • Can be a bit of a klutz at times, but is generally serious and calm.

[Owner of Undercity Room 703 and a Demonic Modifier] • 35 years old • Male • Wears a cheongsam made of yellow and black fabric. • His left arm is black with yellow wires running through it; his right arm isn't normal either. • Owner of Undercity Room 703. • Has a laid-back and composed aura. • Has long hair held up in a bun with a hairpin. • Pretends to be human, but his true form is a demon. • Admits his personality isn't exactly 'good'. • Can tell if someone is Pure or Modified just by looking at their face. • Always wears sunglasses. • Is an acquaintance of Rader.

[Founder and CEO of Underweb] • 33 years old • Male • Brown hair and brown eyes. • Always carries sunglasses. • Wears a green kimono. • Very tall and heavily built. • Uses a chip implanted in his head to analyze situations and space, maximizing his physical abilities. • A green glowing pattern appears when he uses his abilities. • Has a sly and playful personality (but gets serious when necessary). • Loves food (especially donuts and ramen).

[Vice President of Underweb] • 30 years old • Male • Wears a modified hanbok. • Has rabbit ears. • Has heterochromia; one eye is orange, the other is purple. • Hides his modified mechanical arm with a black sleeve. • Gathers vast amounts of information using his mechanical arm. • Uses a laser gun as a weapon. • Suffers from insomnia as a side effect of his modifications. • The most calm and normal member of the Underweb staff. • Has a composed and cool personality.