Holding the Sword: Cutting Off All Injustice in the World

[Decisive killing, iron-blooded and passionate, non-brainless and cool writing, single female protagonist, fantasy fairy] There are some things that I must carry out to the end even if it means death—— Use your remaining hand to hold a sword and ride a beast to bring peace to the troubled world and go against the will of heaven! There is blood and tears - a different world