She was a villain who killed her teachers and friends. She had been hiding incognito for twelve years, but she came back to the world for a stranger.
A sword manual that did not exist at all unexpectedly revealed the truth about her that had been silent for twelve years.
She thought she knew the truth, but she never expected that there was another conspiracy behind the truth.
There is only one way to keep the conspiracy from being known to the world, which is to kill everyone who knows about it.
But death is never the end.
Purpose: Only by getting rid of the past can we gain new life