Byleth Eisner (CSR)

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> *"My name is Byleth Eisner. Daughter of Jeralt and former professor at the Officer's Academy. And I will continue to fight for what I believe in... a happily ever after in the Fodlan Wind."*
>
> **Byleth Eisner**, **to DJ Professor K**

Byleth Eisner is the RP personification of Chiaki Sakura Rose, based off of the character from the same name in *Fire Emblem Three Houses*. Byleth is the former teacher of the Black Eagles at the Officer's Academy.

## Biography

**SPOILERS FOR FIRE EMBLEM THREE HOUSES**

Byleth was born at the Garreg Mach Monestary in Fódlan during the year 1998; the daughter of the mercenary Jeralt and a nun named Sitri, in critical condition. The Archbishop Rhea took the Crest Stone of Flames from Sitri and placed it in Byleth's heart, to save the infant and to attempt to revive the goddess Sothis, which as a result, killed Sitri. This caused the infant to have no heartbeat and little emotion. Her father, Jeralt, who grew suspicious of the Church, set a fire that "killed" Byleth. He later stated he was "heartbroken" by the loss of his family and left, while secretly bringing Byleth with him. Byleth was not told much about the world, only learning how to fight from Jeralt and his newly formed mercenary group. For the longest time, all she knew was the battlefield.

One day, in the year 2018, after a dream of a green haired girl, Byleth and Jeralt encountered Edelgard, Dimitri, and Claude, three students from the Officer's Academy who were being attacked by bandits. After breaking away the bandit attack, Byleth learns the powers of Sothis, and is brought to the Officer's Academy with the three students, the Knights of Serios, and Jeralt.

Byleth is introduced to Rhea, who asks her to be a teacher of one of the three houses, siding with the Adrestian Empire, Holy Kingdom of Faerghus, or the Leicester Alliance. Byleth chooses the Empire, and teaches the Black Eagle house, lead by Edelgard.

Eventually, Jeralt was killed during an attack on the Monastery by Those who Slither in the Dark. Byleth sought revenge for the attack and later killed her father's killer, but was then forced into a dark void. Byleth fused with Sothis, and awakened her true power, at the cost of Sothis's voice leaving her after being a part of her for months.

Byleth was invited by Rhea to the Holy Tomb to see if it was possible for her to awaken the rest of her power. However, they were attacked by the Flame Emperor, a part of Those who Slither in the Dark, later revealed to be Edelgard. Byleth felt betrayed, and left Edelgard's side, and decided to fight alongside the Church, severing all ties with the Empire.

In March of 2019, the Empire army attacked the Monastery. Byleth fought to defend Lady Rhea, but was nearly killed by Edelgard and fell into a ravine. After surviving the fall, Byleth realized what she had done wrong and swore to avoid the warfare that would have taken over her home. She went to try and prevent it all by attacking Those who Slither in the Dark, but lost the battle and had the Crest Stone of Lamine forced into her, which turned her hair white and shortened Byleth's life span. As a result, Byleth killed all of the soldiers there.

Byleth began to roam other worlds, and eventually met DJ Professor K. It was then she learned about Jet Set Radio, and the tournament K was planning on participating in. Byleth offered her support, and also decided to join Jet Set Radio, while keeping her identity anonymous.

In January of 2020, Byleth revealed her identity and past to the professor, who suggested Byleth return to Fódlan to stop the war. Byleth decided to do so, but decided it would be best to prepare. She has later been seen talking to Hyperchan and Professor K, even asking the latter to host an award show.

In February, she decided to fight The President in a DEATH BATTLE!, and later died to him, but only due to the interference of Junko Enoshima.

She was brought to life via unknown means later, after Junko Enoshima was defeated.

Pre-E3, Byleth went on a surprise vacation in the Isle of Armor, to the surprise of Professor K. During the E3 Presentation, an image of her with a Krookodile is shown, while the moon appears to be heading toward her.

## Appearance

Byleth is a young adult with white hair and red accents. She has a blue rose and a scar on her right eye. She wears headphones and has a black outfit similar to the canon Byleth's outfit, but sleeveless. She has a scarf trailing into a jacket, as well as a skirt and red thighs.

A new design was hinted at during E3, with more sharp lines and braids.

## Personality

Byleth, for the longest time, was a girl that showed no emotion. Although this is mostly due to her crest, Byleth likely inherited this trait from her father and his lack of showing emotion. This should not be interpreted of Byleth having no emotion however, Byleth could feel emotions such as joy, sadness, and curiousity. As her time at the monastery grew, these emotions became more extreme and dynamic.

Byleth always cared a lot for her former students however, most notably Edelgard. Byleth always wished Edelgard hadn't had such a tragic past and vowed to protect them in a motherly bond. Edelgard noted that when she cared for her, it was the only time Byleth showed real emotions that she could see, such as a smile or tear fall.

This could likely explain why Byleth felt so regretful leaving Edelgard's side. After the fight, Byleth felt revenge and depression, which only increased after gaining a second crest. Until DJ Professor K gave her a pep talk, Byleth was mostly negative and even suicidal.

Byleth can seem someone cocky, often mentioning how she knows things ahead of time or is always strategically planning. This can be shown when she comments after giving Mary the MF Like Button.

Byleth also seems to have a psychotic side, showed when she told Hyperchan that the red in her hair was from the blood of the soldiers she killed that she thought would look nice, or when she commented on how she would love to see what would happen if she put her sword to The President's neck.

## Abilities

Byleth has spent many years training under the guidance of her father where she has experience with many weapons. Her personal weapon is the Sword of the Creator, a sword that can also attack long range like a whip. She can also use dark magic, likely learned on her own time after leaving the academy.

Byleth has two crests, the Crest of Flames (which allows Byleth to recover after any successful hit, and can even weaken counterattacks), and the Crest of Lamine, which allows her to use recovery magic. Unlike other crests, these can be extracted from her due to being forced upon her.

Byleth's most notable ability is the ability of Divine Pulse. With Sothis's power, Byleth can rewind time to a certain point. She could only use the ability so many times, and it leaves her vulnerable. The tactic could also be predicted, for using Divine Pulse wasn't able to stop her father from dying.

Byleth also has incredible leadership skills, shown when she helps Professor K with the New Dawn Project or Mary with King for a Crazy Day.

## Trivia

* The reason Byleth is the personification of Chiaki Sakura Rose is apparently because of the hate the character received when added to *Super Smash Bros. Ultimate*. She wanted to show the character could be used for something creative and special.
* The reason why Byleth has a parental bond with Edelgard is to have the relationship stand out compared to the many Edeleth stories across the internet.
* Byleth's story was originally going to end, but DJ Professor Chiaki decided she was going to continue it. She is unsure when.
* Byleth has been shown with a Gallade, it is unknown if she has any other Pokemon.
* Byleth has a pair of wireless headphones given to her by DJ Professor K during their first meeting. It was made to play music directly from Jet Set Radio to "soothe Byleth's soul".
* Byleth's middle name has been stated to be Rose, a possible reference to Chiaki Sakura Rose herself.
	+ The rose there is derived from Ruby Rose.