Senji was the first "Deadman" that Ganta encountered at the prison.
After making their way to sector G, Crow destroyed the Necro Macro security robot which had been chasing Ganta, Shiro, and Yoh.
Following a small skirmish and an interruption by Shiro, Crow was subdued by the Deadman security.
The next day, Ganta and Senji were scheduled to compete in the "Carnival Corpse." Despite Senji's experience and skill with his 'branch' ability, Ganta managed to win by fooling Senji.
As a consequence of losing, Senji's right eye was removed for research. He returns shortly after during Ganta's next match, now sporting an eyepatch, and assists Ganta in understanding his opponent's techniques.
He also helps Ganta grasp his own capabilities. Senji's change in personality towards Ganta is due to his respect for Ganta's strength.
Senji comments that because Ganta beat him, he cannot lose until they have a rematch.
He seems to thoroughly enjoy violence, and his favorite phrase is "Dead Center." Despite his wild and battle-hungry attitude, he does have a sense of honor and respects strength and determination.
In an ironic twist, Senji becomes flustered and embarrassed when a woman acts immodestly. When he first notices Shiro's form-fitting body tights, his face turns red, and he gives her his coat, telling her to cover up quickly.
His Branch of Sin is called "Crow Claw." It manifests as two large scythe-like blades made of blood extending from long cuts on his forearms. He makes these cuts using two bladed rings he wears on his thumbs.
While the blades are typically two to three feet long, Senji has demonstrated the ability to greatly lengthen them, allowing him to attack people at range.
He is responsible for naming Ganta's 'Branch of Sin' (Ganta Gun). He also has a supersonic attack called Invisible Black.
Senji used to be a policeman before his time in DW. It's hinted that he killed four friends.
It's revealed in his fight with a Forgery that Senji did not kill them but was indirectly responsible for their deaths. After the massive Tokyo earthquake, chaos ruled in Senji's inspection area. Out of the corrupt police force, only Senji and his friends were active against local crimes.
Their actions soon drew hostile attention from many hoodlums, especially towards Senji, as the branch of sin he possessed was a powerful asset. They challenged Senji to a many-on-one battle, but his friends stopped him and took on the offer, ending up savagely murdered in his place.
As such, he partially believes Ganta in that he did not kill his friends, because he has experienced similar circumstances.
Characters
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Main
The main protagonist of the story. Ganta is a seemingly harmless, ordinary middle school boy who is framed for the slaughter of his entire middle school class, perpetrated by the mysterious Red Man. Sentenced to "death," he is sent to Deadman Wonderland, ...
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Main
Senji was the first "Deadman" that Ganta encountered at the prison. After making their way to sector G, Crow destroyed the Necro Macro security robot which had been chasing Ganta, Shiro and Yoh. After a small skirmish, and an interruption by Shiro, Crow w...
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Supporting
Hedoro's brother....
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Main
A kleptomaniac and an informant to Assistant Warden Tamaki, You was hired to watch over Ganta in return for large amounts of Cast Points. Though apparently friendly and polite, in truth he is ruthless, scheming and somewhat paranoid, given his position as...
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Supporting
No biography written....
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Supporting
No biography written....
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Supporting
A squad leader of the Undertakers, Tamaki's special enforcement group which selects prisoners who could not be rehabilitated and survived a special 'correctional' program to be anti-Deadman soldiers, wielding weapons that allow them to nullify the Deadmen...
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Supporting
Bonbu is an ex-Defense Force soldier who is an acquaintance of Makina. He helped Makina in overthrowing Tamaki and destroying Deadman Wonderland. "Bonbu" is a nickname that sounds like "bomb," directly hinting to his speciality, bombing. His real name is ...
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Supporting
Chan were the servants of Hagire Rinichirō and his artificial children. Chan and En both wear the same clothes and look exactly the same way (with the exception of their hair). They wear a black formal suit with a white shirt under it. They also have a re...