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The protagonist of the story. A free mercenary and an excellent Simulacrum pilot. Kou has been chasing after the the truth behind the incident known as "Gray Christmas", in which his town and school was razed, but loses parts of his memory at the beginning of the story. He pilots the Simulacrum "Sh... read more

The protagonist of the story. A free mercenary and an excellent Simulacrum pilot. Kou has been chasing after the the truth behind the incident known as "Gray Christmas", in which his town and school was razed, but loses parts of his memory at the beginning of the story. He pilots the Simulacrum "Shadow Wolf".

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Makoto is one grade lower than Kou and is Sora's younger sister, usually being doted on by her. She and Sora both move into the Kisaragi Dormitory during their school days. She has a condition known as Cybernetics Ego Boundary Disorder, the same condition Kou's mother suffered from. This condition... read more

Makoto is one grade lower than Kou and is Sora's younger sister, usually being doted on by her. She and Sora both move into the Kisaragi Dormitory during their school days. She has a condition known as Cybernetics Ego Boundary Disorder, the same condition Kou's mother suffered from. This condition causes her to develop an abnormally deep connection to the virtual world, allowing her to read the thoughts of people on the Net while at the same time disclosing her own thoughts to those around her. In contrast, she is incapable of properly articulating herself outside of the Net, which once resulted in her being a common target of bullying.

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Sora is in the same grade as Kou. She is also Minazuki Makoto's elder sister and dotes on her, having once beaten up someone for making Makoto cry. She often jumps to conclusions without analysing the situation, but is at heart an honest and good-... read more

Sora is in the same grade as Kou. She is also Minazuki Makoto's elder sister and dotes on her, having once beaten up someone for making Makoto cry. She often jumps to conclusions without analysing the situation, but is at heart an honest and good-natured girl with compassion for the weak. She does not get along well with Kou initially, though she eventually develops feelings for him.

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Kou's second cousin who he considers as his elder sister. She is known as a "wizard" - a genius programmer in the virtual world. Kou's Simulacrum is her gift from back when she was moving into their dormitory. After the events of Grey Christmas, sh... read more

Kou's second cousin who he considers as his elder sister. She is known as a "wizard" - a genius programmer in the virtual world. Kou's Simulacrum is her gift from back when she was moving into their dormitory. After the events of Grey Christmas, she takes up employment in Tachibana Seira's corporation.

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The Mayor of Suzushiro City. While rumours abound of his shady ties to corporations, he has never once been arrested, though whisperings persist.

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A member of the radical religious organisation Dominion. Her true identity and motives are completely unknown. She first appeared in her angel-like Simulacrum during Kou's school days, interfering in an Arena fight. Though she should be a natural enemy of Kou, she appears to be avoiding direct confl... read more

A member of the radical religious organisation Dominion. Her true identity and motives are completely unknown. She first appeared in her angel-like Simulacrum during Kou's school days, interfering in an Arena fight. Though she should be a natural enemy of Kou, she appears to be avoiding direct conflict with him. She pilots the Simulacrum "Neige-Aile".

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Leader of the radical religious group, Dominion. His group reveres artificial intelligence as a god, Sofia, and teaches that the current state of reality is but an illusion.

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A Designer's Child, his genes are engineered to be superior to the average person. He looks down upon and enjoys abusing and mocking unmodified humans and members of the pro-AI faction. He has had a grudge against Kou since their schooldays. In the present day he is the leader of his own private m... read more

A Designer's Child, his genes are engineered to be superior to the average person. He looks down upon and enjoys abusing and mocking unmodified humans and members of the pro-AI faction. He has had a grudge against Kou since their schooldays. In the present day he is the leader of his own private mercenary group, Dainsleif.

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Kou's father and the leader of the notorious mercenary group, Fenrir. To Kou, he is the father who abandoned his own wife to a disorder in the pursuit of riches, and they have a strained relationship. He pilots the Simulacrum "Nidhogg".

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An officer in the counter-AI organisation GOAT (Global-union Observation Artificial-intelligence Team), and leader of the Asian division. His rank is Major General. He was dispatched to Suzushiro City along with a contingent of GOAT troops to quell the growing unrest in the city. His personality is... read more

An officer in the counter-AI organisation GOAT (Global-union Observation Artificial-intelligence Team), and leader of the Asian division. His rank is Major General. He was dispatched to Suzushiro City along with a contingent of GOAT troops to quell the growing unrest in the city. His personality is strict and obstinate, with a dignified and intimidating aura that befits a genuine military man. As a member of GOAT, he could be said to harbor anti-AI thoughts, and it would not be a stretch to say that he hated them. Though his surname makes it obvious that he is Rain's father, they are currently estranged due to an incident that occurred long ago.

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A mercenary and Kou's subordinate. Referring to Kou as Lieutenant, she serves as a guide to the amnesiac Kou. She acts as both his moral and physical support. Even though she is polite and gentle, her gestures and expression often leave an impress... read more

A mercenary and Kou's subordinate. Referring to Kou as Lieutenant, she serves as a guide to the amnesiac Kou. She acts as both his moral and physical support. Even though she is polite and gentle, her gestures and expression often leave an impression of coldness. She rarely expresses much emotion, but is merciless towards her enemies. Her actions usually put Kou's safety as top priority, so much that she may even give up her own life for Kou. She pilots the Simulacrum "Aigis Guard".

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Former lecturer and mentor to Kou and his friends. He has a deep relationship with Nanoha's parents and used to study under them. He disappeared after the events of Grey Christmas.

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A member of the mercenary group Fenrir. Native American by blood and a Designer's Child, his taciturn nature and imposing physique render him frightening at first glance, but in truth he has a gentle personality and cares deeply about his comrades. He pilots the Simulacrum "Megingjord".

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A friend of Kou and his former dormitory-mate. Cheerful and sporty, she often attempted to flirt with Kou. She seemingly disappeared after the events of Gray Christmas.

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An unlicensed doctor who has taken up residence in the slums of Suzushiro City. She operates an adult goods shop as her front. While to all outward appearances she seems to be still a child, she is in fact older than Kou. She usually wears a gothic lolita costume, but dons a white robe when engaging... read more

An unlicensed doctor who has taken up residence in the slums of Suzushiro City. She operates an adult goods shop as her front. While to all outward appearances she seems to be still a child, she is in fact older than Kou. She usually wears a gothic lolita costume, but dons a white robe when engaging in medical activities.

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Member of the mercenary group, Fenrir with the rank of Major. Solder-like in disposition and with a preference for male mannerisms, she serves as Fenrir's attack captain. She is Eiji's most trusted subordinate, having known him for close to seven years. She pilots the Simulacrum "Hraesvelgr".

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Kou's best friend. After the events of Grey Christmas, he works as a CDF detective. He pilots the Simulacrum "Shadow Wolf 'GAI'".

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Kou's maternal aunt and the family member to whom he is most indebted to. A lady of character who founded the virtual corporation Ark Industries and built it up into the corporate giant it eventually became.

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Kou's childhood friend who is a year younger than him. Kind, sensitive and talented at gardening and cooking, she often bursts into tears at the slightest provocation.