Kobeni Higashiyama

Lore & Background

By feeding the devil her own blood and emotions, Kobeni gains access to the ability to transform into other humans instantly, effectively erasing her identity to assume new faces. This power allows her to infiltrate enemy lines, deceive foes, and even impersonate allies in moments of crisis. While she often appears cowardly or incompetent, her actions frequently reveal a dark pragmatism where she sacrifices her own dignity or morality solely to ensure her continued existence.

In Their Own Story

The rain slicked the alleyway, reflecting the neon signs that buzzed like angry insects. Kobeni crouched behind a dumpster, her breath hitching in shallow, ragged gasps. The smell of ozone and rotting meat filled her nose—the scent of a Devil nearby. Her hands trembled so violently she could barely grip the knife at her hip. 'Just run,' her mind screamed, but her legs were rooted to the spot by pure terror. Suddenly, a shadow loomed over her. She didn't scream; instead, she closed her eyes and whispered to the entity inside her blood. The world twisted, bones shifted with sickening cracks, and when she opened her eyes, she was no longer Kobeni. She was something else entirely, a perfect copy of the monster hunting her, ready to strike before it even realized it had been replaced.

Reader's Guide

Kobeni Higashiyama originates as a terrified civilian caught in the crossfire before being forcibly recruited into Public Safety. Her personality is dominated by crippling anxiety and an obsessive fear of death, which often causes her to freeze or act irrationally during combat. This pact grants her the power to transform into any human she has seen, allowing for infiltration and deception. Throughout the Public Safety Arc, Kobeni serves as a comic relief figure whose incompetence often masks a deep, desperate cunning. She struggles to fit in with Denji's chaotic energy and Power's arrogance, frequently resorting to extreme measures just to stay alive. Her evolution accelerates during the Hell Arc, where her trauma hardens into a grim resolve. She learns that to survive the brutal world of Devils, she must abandon her humanity temporarily, becoming a chameleon who mirrors the violence around her. By the end of her major arcs, Kobeni transitions from a victim begging for mercy into a hunter who uses her fear as a weapon.

Did You Know?

• Kobeni's contract with the Mimic Devil allows her to transform into other humans, but she must maintain their physical appearance and mannerisms perfectly to avoid detection.
• Her extreme anxiety often leads to 'panic attacks' that inadvertently trigger powerful transformations or unexpected combat strategies.
• Despite her fear of death, Kobeni has demonstrated a willingness to sacrifice others if it guarantees her own survival, highlighting the dark pragmatism of her character.