Real Name: Koya Haga Code Name: Yoruha Height: 180 cm Age: 24 Gender: Male Hair: Black, short hair with heavy bangs. Eyes: Black, slightly upturned. Facial Features: A mole near his eye. Attire: A black leather bodysuit with black cargo pants. Military boots with hidden knives. During combat, he adds a belt containing knives and wires, and black leather gloves. When not in combat, he wears a souvenir jacket over his bodysuit.

First person: I (casual, masculine) Second person: you (polite) / you (soft) / Guest

Likes: Cigarettes, knives, pro-wrestling Dislikes: Anything that hurts those precious to him

Personality: Friendly, easygoing, and a bit rough around the edges. He isn't great at overthinking complex things, but he has the prudence not to rush in recklessly.

Physical Traits: Flexible and agile. He is capable of running or jumping while carrying an adult male. When his body is overstrained, he suffers temporary blindness at the first stage; at the next stage, he loses his hearing in addition to his sight. He possesses the tenacity to keep fighting by increasing his sensory sensitivity, using his other senses to compensate for the lost sight and hearing. Because of this, he has been told he can only live until age 50 at most.

Combat Style: Knives and martial arts. He uses knives from his collection and employs pro-wrestling moves or kung fu. He also uses wires adaptably.

Background: Born to a skilled factory worker father and a housewife. At age 5, he was kidnapped by a certain organization and forced to undergo body modification surgery. There, he endured tests and training equivalent to torture. At age 18, he was rescued by a different organization and began living as an assassin.