Casey Grove is a female noblewoman and second-year student at Serendia Academy, known for her skill in horsemanship, hunting, and embroidery, as well as for her failed plot to assassinate Prince Felix Arc Ridill.
She comes from a rural border count family whose political stance shifted toward the neighboring Randall Kingdom after being abandoned by their own kingdom during a dragon disaster.
Casey Grove is the daughter of the Grove Count family, a rural nobility whose lands lie at the eastern edge of the Ridill Kingdom, directly bordering a neighboring realm.
Her grandmother married into the Grove family from a marquis house of the Randall Kingdom, giving Casey blood ties to both countries.
The Grove territory is considered remote and unimportant by the arrogant central nobility of the Ridill Kingdom.
Because of this, the region has long suffered from neglect despite its strategic position on the border.
Casey is enrolled as a second-year student at Serendia Academy, an elite institution attended by nobles and royals.
At the academy, she presents herself outwardly as a well-bred, country noble lady and becomes acquainted with Monica Everett.
Though she plays the role of a friendly schoolmate, her real motives at the academy are political and covert.
She uses her position as a student and her social proximity to Monica to move freely in circles close to the royal family.
The Grove family’s lands face the eastern border of the Ridill Kingdom, making them the first line of contact with foreign powers.
Despite this importance, the central government and high nobility consistently looked down on and ignored their region.
When the Grove territory suffered devastating dragon attacks, the family appealed for aid from the Ridill court.
The central nobles refused to send any meaningful support, effectively abandoning the region to its fate.
In contrast, the knights of the Randall Kingdom secretly crossed the border to help repel the dragons, even at the risk of provoking war.
Because of this, the Grove family came to distrust the Ridill Kingdom and gradually aligned themselves politically and emotionally with Randall instead.
This made the Grove territory fundamentally opposed to the central power bloc led by Duke Crockford and the faction surrounding Prince Felix Arc Ridill.
From their perspective, these figures represented not only neglect and arrogance, but an existential threat to the Randall Kingdom that had once saved them.
Casey is portrayed as a capable and active noblewoman shaped by rural border life rather than sheltered court culture.
She excels in horsemanship and hunting, reflecting a lifestyle close to the land and its dangers.
She is also skilled at embroidery, balancing her martial, outdoors-oriented talents with refined, traditionally feminine arts.
Her combination of grace, discipline, and practicality allows her to move comfortably between the worlds of the drawing room and the battlefield.
Casey is determined, shrewd, and willing to take extreme risks for what she believes is the greater good of her home and allies.
However, her idealism is channeled into violent methods, pushing her into the role of a would-be regicide rather than a recognized hero.
At the center of Casey’s political conflict stands Duke Crockford, a powerful central noble who dominates Ridill’s politics.
Behind him is his royal patron, the second prince, Felix Arc Ridill.
If Felix were to ascend the throne, it is virtually certain that Duke Crockford would push Ridill into war with the neighboring Empire.
Because the Randall Kingdom lies between Ridill and the Empire, Crockford’s envisioned campaign would require the invasion and subjugation of Randall.
For Casey and the Grove family, this scenario is intolerable.
Randall is the kingdom that once crossed the border in secret to save their people from dragons when Ridill refused to help.
From their point of view, Prince Felix’s rise to power equals the betrayal and destruction of their saviors.
This conviction leads Casey to view Felix not just as a political rival, but as a future tyrant whose death could prevent catastrophic war.
To strike at Prince Felix Arc Ridill, Casey decides on an extremely dangerous course of action.
She approaches Monica Everett at Serendia Academy and deliberately poses as a friend.
Under the cover of this friendship, she works to get close enough to Felix to carry out an assassination.
Her goal is to remove him before he can become king and before Duke Crockford can launch an aggressive war that would consume Randall.
However, Casey underestimates Monica Everett.
Monica is not merely a shy student but the legendary Silent Witch, a powerful and secretive mage.
When the time comes, Monica discovers and thwarts Casey’s assassination attempt on Prince Felix.
The plot’s failure exposes Casey’s true intentions and makes her guilty of attempted regicide, a crime that normally carries the death penalty.
By all legal and political standards of the Ridill Kingdom, Casey should be executed for attempting to assassinate a member of the royal family.
Her actions are too grave to simply overlook, and there are strong incentives to make an example of her.
However, Monica Everett intervenes on Casey’s behalf and pleads for mercy instead of blood.
Moved by Monica’s appeal, Louis Miller uses his own authority to influence the outcome of the case.
Rather than allowing a public scandal and execution that could destabilize politics and expose sensitive secrets, Louis orders the incident concealed.
Officially, the assassination attempt is covered up, and Casey is spared from death.
As an alternative punishment, Casey is sent to a convent.
This “convent exile” removes her from political life and society at large while allowing her to live and perhaps reflect on her choices.
Casey approaches Monica under false pretenses, pretending to be a friendly schoolmate.
Monica’s true identity as the Silent Witch ultimately destroys Casey’s plan, but Monica also becomes her unexpected savior by pleading for her life.
Casey targets Felix as the central figure whose future rule would trigger war against the Empire through the invasion of Randall.
She does not act out of personal hatred, but from a political and moral conviction that eliminating him would prevent far greater bloodshed.
Louis is the key authority who decides Casey’s fate after the failed assassination attempt.
He chooses to hide the incident and send her to a convent, a decision made largely in response to Monica’s request for compassion.
Casey is highly adept at horsemanship, befitting a noble from a frontier land where swift travel and mounted combat are valuable skills.
She is also an accomplished hunter, accustomed to weapons, tracking, and the practical realities of living near dangerous wilderness.
Her embroidery skill highlights her upbringing as a noblewoman who was still trained in courtly arts despite her rural environment.
This duality—a refined lady and a hardened border noble—is one of the distinctive features of her character.
Her strategic thinking and willingness to sacrifice herself for her beliefs mark her as someone with strong convictions.
Yet, her methods push her into morally gray territory, illustrating how desperation and political fear can lead even honorable people to drastic actions.
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