Epsilon/Chronology

Background
Epsilon was the daughter of an elven noble family. She was praised by many for her beauty, intellect, and her martial arts skills. Then, her life took a dramatic turn when she was discovered to have Demon Possession Epsilon's family and her closest friends disowned her and she was forced to run away from being hunted by the people she once trusted.

She crawled her way up a mountain trail but the Demon Possession started to take effect on her body. Suddenly, she was rescued from death by Cid. Since then, she swore loyalty to him.

When she met the other members of Shadow Garden, Epsilon was dismayed how lacking she was compared to her more skilled superiors such as Delta, Gamma, and Beta. Despite this, she moves forward out of love for her master and later decided to improve her appearance that would be appealing to him. It was during that time that she learned about the slime bodysuit and realized the potential that would allow her to reach her goal. By experimenting with it, she is able to significantly develop her magic skills, earning Alpha's praise. She is called the "Precision" for her magic control.

First Assault on the Cult
Epsilon along with the "Seven Shadows" assaulted the hidden secret base, where Claire Kagenou was kept. After they've dealt with the guards and Shadow killing Viscount Olba, they rescued Claire and return home. Epsilon would leave Cid Kagenou along with the other members to hunt down the Order of Diabolos.

Rising star of the Professional Pianist and Composer "Shiron" Debuts
After learning that all members of Seven Shadows had their respective roles, especially Beta had become a well-known writer, Epsilon decided to become a pianist in the Oriana Kingdom by presenting his debut plans to Alpha and Gamma for evaluation. With Lambda's honest opinion, Epsilon's plans were approved by Alpha and later Gamma would full-time investment on Epsilon in her debut along with publicizing Luna, Ltd.'s (former name of Mitsugoshi Company before changing the name) fashion business and promoting Alexandria tea to aristocrats at the garden party, which was hosted by the MNA branch of the Midgar Kingdom.

Before Epsilon made his debut as a pianist, he was trained by Lambda to be able to know the proper nobility etiquette so that later there would be no failures when performing. After the training was over, Gamma told Epsilon that Beta had arranged everything she needed during the event.

When the garden party started, Epsilon with the name "Shiron" as a wandering pianist made her debut by playing all the music that Shadow had taught her in front of the nobles, especially the Oriana Kingdom who wants her to become their patrons. After his debut, Shiron's name was known throughout the world as a professional pianist and composer and received many awards.

Holy Ground Infiltration
During one night, Epsilon reunites with her lord Shadow in Lindwurm following her mission with assassinating targets and blushed from the compliment he gave her. She then left to rejoin with Alpha to start their plan to infiltrate the Holy Ground. When Beta signals her and her team to come out of hiding, Epsilon uses the opportunity to capture the Acting Archbishop Nelson.

Epsilon is then ambushed by Venom the Executioner but her slime bodysuit protects her from the attack, allowing the masked woman to decapitate her attacker. She and her team went into the Holy Ground to gain information, learning from there that Diabolos is Aurora. Epsilon told Alpha about this after they escaped the now destroyed Holy Ground.

The God of War Tournament
Epsilon meets with Cid when she was posing as an up and coming pianist. She informs him regarding Rose Oriana's predicament and later explain about her mission to infiltrate the Oriana Kingdom to uncover the Order of Diabolos's involvement.

Oriana Kingdom Civil War
Epsilon helped Cid in getting into the Oriana castle by having him posed as her apprentice. She excitedly applauded Cid's performance to prove his worth to Doem Ketsuhat and the nobles. She would then formed a rivalry with one of the kingdom's maids who attempted to persuade Cid to join her family.

When the battle of Oriana Kingdom commenced, Epsilon joined with Beta in defeating Mordred.