John V. Neumann is a 19-year-old female leader and founding member of the Grove of Greats, a calm and brilliant strategist who uses a wheelchair and possesses extraordinary predictive calculation and cyberwarfare abilities.
Name: John V. Neumann
Gender: Female
Age: 19
Notable features: Her right eye is shaped like the seven-segment digit 0, and her left eye is shaped like 1.
Mobility: She normally uses a wheelchair.
Previous life: John von Neumann, the genius mathematician once called a devil.
John V. Neumann is one of the original members of the Grove of Greats and serves as its current leader.
She is known for her cool-headed personality and her ability to give precise instructions to her allies.
Although she has a small build, she becomes angry if someone calls her short and tends to hold a grudge over it.
That contrast gives her a memorable mix of sharp intellect and touchy pride.
Her goal was to wipe out the Wanderers of Sin Personality, following the course indicated by Leonardo da Vinci, who had previously been killed by Xiang Yu.
Later, it is revealed that she was actually being manipulated by F. Nightingale.
Even so, she was not entirely passive under that control.
She resisted the brainwashing at the level of her deep subconscious.
After the battle against Xiang Yu, she joined I. Newton and F. Nightingale in declaring the Plan for Great Men and issuing a declaration of war against humanity.
Neumann is calm, composed, and highly rational.
In tense situations, she stands out as the kind of leader who can instantly assess the field and direct her companions with impressive accuracy.
She rarely loses her composure, which makes her presence feel dependable and intimidating at the same time.
Still, her sensitivity about her height shows that she has a stubborn and very human side.
Predictive Calculation
Neumann possesses a talent called Predictive Calculation.
Through abnormal computational power and thought processing, she can predict the future with a level of accuracy that resembles precognition.
Her forecasts are so precise that they seem almost supernatural.
Even so, she herself admits that there are some predictions she wishes would be wrong.
Master of the Electronic Brain
Neumann also has the talent Master of the Electronic Brain.
Through the internet, she can carry out global-scale hacking almost instantly.
She can break through virtually any digital protection.
However, devices that are physically unable to communicate, such as closed intranet systems, cannot be targeted.
A major later revelation is that Neumann was under the control of F. Nightingale.
This casts a different light on her actions and goals.
Despite that, she was not completely overwhelmed.
She continued resisting the conditioning in her deep consciousness, showing strong will even while being manipulated.
Overview
Neumann II is an autonomous AI created by Neumann.
It was designed as a backup to act in her place if her main body became unable to function.
Its left eye is shaped not as 1, but as 2.
That visual difference immediately marks it as a separate version.
Activation and Performance
Neumann II automatically activates when a mobile phone is opened while out of service range.
It is powerful, but its specifications are still inferior to those of the original Neumann.
It can perform functions such as predictive calculation.
However, because its performance depends on the hardware of the device it runs on, prolonged predictive calculation on Toya Senji's mobile phone is impossible.
Later Role
After the Grove of Greats issued its declaration of war, Neumann II became an ally and collaborator of Toya Senji, Itsuki Kitazuka, and their group.
This gave it an important support role apart from Neumann's own direct actions.
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