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井河アサギ
Commanding officer leading the Taimanin, she's a female ninja of justice recognized as the strongest Taimanin. Ingenious at fencing and martial arts, the speed of her weapons go beyond human intellect. She lost her boyfriend, Kyousuke Sawaki, to the female ninja Oboro, a class of demon, when she struggled with her to the death in the Chaos Arena. During the time she was imprisoned by Oboro, her body had been remodeled into an abnormal erogenous zone that made her feel pleasure anywhere on her body. Not only that, but her sensitivity from such pleasure had been increased by up to 3000 fold. Subjugating those areas by her strong force of will, which would have driven a normal person insane, she tackles once more the rigorous duty of a Taimanin.
Ninja Arts (Special Ability)
Fencing, boxing, and jujitsu skills at the speed of light. Boldly moves using those skills and can kill multiple enemies in an instant using the ‘Petal’ ninja art.
井河さくら
Asagi's little sister. A beautiful girl who has an unyielding, lively personality. After skillfully helping her older sister during the struggling in the Chaos Arena, she officially became a Taimanin. However, like her older sister, her body had been remodeled to feel pleasure on every part of her body during the time she was imprisoned by Oboro. But, unlike her sister, she wasn't able to contain the pleasure by force of will alone and has to resort to medicine instead.
Ninja Arts (Special Ability)
Is able to conceal herself in the shadows of people and things. A practitioner of the shadow evasion ninja art and is able to migrate instantly from shadow to shadow.
八津九
A blind Taimanin. Formerly a ranger corp, he got discharged from the military when he lost sight in both eyes during a mission. But, the loss of his eyesight had awakened a previously unknown ninja strength and thereafter became a Taimanin. Being from the same faction that Asagi served in as head, and from looking good to Asagi who was serving as commanding officer, Kurou plays an active role in being Asagi's right-hand man. Only rivaled in sword skills by Asagi herself, he relies on brute power rather than speed. He's said to carry a sub-machine gun and a specialized knife over two feet in length.
Ninja Arts (Special Ability)
A tough body with a regeneration ability. While he's not able to regenerate the eyesight that he lost that awakened the ability, he's somehow gained something akin to an ultra-perceptive 'sixth sense', allowing him to sense his surroundings quite well in the same way as sensors would.
朧
Famous for recruiting mercenaries into the Oboro Ninja Force, she is a female ninja that sided with the Nomads, a multinational conglomerate body that conspired with evil forces. On once occasion when she was killed by Asagi, she gave away her soul in exchange for a demonic body and revived the 'Chaos Arena', an illegal, barbaric arena, as curator. Oboro, burning with revenge, had managed to trick both Asagi and her little sister, but fell once more to Asagi's blade.
エドウィン・ブラック
Originator of the nomads and founder of the vampires. As founder of the vampires, he was born as a vampire, but unlike most vampires, his immortality is complete and has no identifiable weaknesses, including the ability to walk calmly in sunlight. As such, he's commonly referred to as a ‘day walker’. His powerful existence puts him among the elite class governing hell. As Asagi's most powerful enemy, she made a pledge to defeat him one day. Amidst his immortal, ancient existence, his eternal nihility makes him constantly seek motivation and pleasure. His only real satisfaction comes from battles in which life and death hang in the balance and sinister scheming.
沢木恭介
Asagi's fiancee and childhood friend. His body being absorbed into Oboro had been the originator of Asagi's troubles. He was 26 years old when he, together with Oboro, was cut down by Asagi's blade.