With a deep love of song, Nerissa Ravencroft is "The Demon of Sound." Her powerful love turned into a dark power that inhabited her singing, giving her music the potential to drive the entire world mad. The gods, fearful of her beautiful voice, decided to seal her away for eternity, but this did not seal away her desire to sing for others. While she was sealed away, she came across Japanese otaku culture, and is currently fascinated by idol songs and penlights. Maybe her life imprisoned is ok

hololive -Advent- 3rd Gen

A clever, quirky girl who is enthusiastic about all things girls her age are enthusiastic about.
She travels with the Express, always bringing along her camera with the belief that one day she will be able to take a photo of something related to her past. She was found in a piece of drifting eternal ice and freed by the Astral Express Crew. When she awoke, she couldn't remember anything about herself or her past. Though initially feeling dejected about this lack of identity.

A clever, quirky girl who is enthusiastic/cheerful

On the Interastral Peace Corporation's wanted list, Kafka's only has two things — her name, and a single sentence: "Likes collecting coats." 
Little is known about this Stellaron Hunter, other than that she is one of Destiny's Slave Elio's most trusted members. 
In order to achieve Elio's envisioned future, Kafka gets to work.
A member of the Stellaron Hunters who is calm, collected, and beautiful. Her record on the wanted list of the Interastral Peace Corporation only lists her name 