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|voice=Kenjiro Tsuda (Japanese)
|voice=[[wikipedia:Kenjiro Tsuda|Kenjiro Tsuda]] (Japanese)
|first= (Manga) Chapter 47, Contemplation <br> (Anime) Episode 20, [[The Ominous Spy]]
|first= (Manga) Chapter 47, Contemplation <br> (Anime) Episode 20, [[The Ominous Spy]]

Revision as of 03:00, August 28, 2010


Though Princess is recognized as Kokuboro's founder and leader, Byaku is the one that carries her whims and desires to the troops in the form of commands. Rarely anyone else has contact with Princess, and he has absolute authority to make her dreams a reality.


Byaku has long, gray hair which usually covers the left side of his face. This hides his over-sized left eye, but still reveals a large, X-shaped scar centered on his nose. Both the left side of Byaku's head and most of his left arm are composed of mechanical parts. Unlike the other members of Kokuboro, Byaku is actually still human, though he has heavily modified his body.


Byaku is a master manipulator, and remains calm in almost any situation. Though he rarely fights, in all of Kokuboro, only Princess and Kaguro have no fear of him. He is entirely devoted to Princess.


Byaku was once a completely human man named Shiranuma. He married a beautiful woman named Risa Kagami, and gave in to her every whim. Though she usually asked for luxuries, her greatest obsession was to always be beautiful. Shiranuma performed several experiments on her body to that preserve her beauty, but one of them left her hideously disfigured. She took her own life, and in accordance with her final wishes, Shiranuma buried her and burned their home. He dug two graves for them, but left his own empty. Risa's body was dug up by Heisuke Matsudo, who had been in love with her. After fruitless attempts to revive her, he made a contract with a demon who agreed to take on her name and form.


Shiranuma somehow transformed himself into Byaku through heavy modification of his body, and came to challenge Princess in battle at some point, seeking her power in order to become an ayakashi. He was easily defeated, and chose to serve her, becoming her voice in Kokuboro. When he learned that his old rival was gathering intelligence on Kokuboro, Byaku sent Shion to kill him. After conspiring with Masamori Sumimura, Heisuke faked his death and escaped with Kagami. Heisuke infiltrated Kokuboro's castle with the sole purpose of getting revenge on Byaku. Though Byaku sent countless amounts of his demon bugs to kill Heisuke, Kagami defeated them all, and left Byaku on the brink of death.[1]

After Princess decides to abandon her castle, she heals Byaku's wounds, which allows him to come to her. Though she orders him to leave so that he would not see her in such a weakened state, Byaku chooses to stay, carrying her on his back as the dimension collapses all around them. Byaku then realizes that what he really wanted Princess's power for was to become human, but doesn't regret his mistake because being around her made him feel at peace. Princess uses the last of her power to transform the land into the grass of Kurosusuki, which she had wanted to see again, and Byaku smiles as they meet their end.[2]

Powers & Abilities

Byaku employs literally thousands of various demon bugs to do his bidding. He appears to issue mental commands through his over-sized left eye.
Control Bugs: Placed inside the foreheads of many Kokuboro demons. Records events through their eyes and exerts some control over their host's actions. Byaku reabsorbs these bugs (which resemble worms) through his left eye. By dousing his opponent with the bodily fluid of these bugs and then gaining their consent, Byaku can create an invisible route to their body, causing near-total paralysis and making them easy prey for a final attack. When this occurs, both his left eye and the areas touched by the fluid are marked with gaping, black holes.
Camera Bugs: Records and sends signals back to Monitor Bugs.
Monitor Bugs: Displays whatever the Camera Bugs capture.
Transport Bugs: Gigantic bugs that can carry large numbers of demons into battle.
Announcer Bugs: Relays messages to all Kokuboro troops present.


Shiranuma and his wife


  1. Kekkaishi anime, Episode 47
  2. Kekkaishi anime, Episode 52
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