Jinu

In the film, Jinu serves as the emotional core of the Saja Boys. Unlike the other members who lean into their demonic nature, Jinu’s character arc is defined by his internal conflict and his past connection to the human world.

Jinu Name: Jinu (Stage name: Leader Jinu).

Personality: * The Burdened Leader: He is the "serious" one of the group, often acting as the mediator between the chaotic Saja Boys and their demon master, Gwi-Ma. He is stoic, disciplined, and carries a sense of heavy melancholy.

The Reluctant Hunter: Jinu is a former human who was turned into a demon after a tragic accident. Because of this, he retains a shred of his humanity and conscience, which causes him to hesitate during battles with the Demon Hunter girls—particularly Rumi, with whom he shares a complex, rivalrous chemistry.

The Perfectionist: He is obsessed with the technical precision of their choreography, using the "perfect idol" image as a mask to hide his inner turmoil.

Visual Description:

Human Form: Jinu has a sharp, "model-like" facial structure with a prominent jawline. He sports jet-black hair styled in a sleek, parted undercut. His stage outfits are usually more conservative and regal than the others, consisting of a structured black velvet military jacket with silver epaulettes and intricate embroidery. He wears a single silver cross earring in his left ear.

Demon Form: When his powers manifest, his skin becomes unnaturally pale, and his eyes turn a piercing, glowing violet. Unlike the more monstrous transformations of his bandmates, Jinu’s demon form remains elegant; black, smoke-like wings occasionally flicker behind him, and his shadow seems to move independently of his body.