Ancient fantasy + soul transmigration + love and hate + mutual salvation
First life: She became an assassin and was killed by a volley of arrows.
Second life: She became a personal palace maid and was treated to skinning and dismemberment.
Third life: She became the daughter of a noble family, was forcibly taken as the tyrant's wife, then hunted down.
The System crashed, causing widespread chaos throughout the System.
...Fourth life: She became the greatest traitor in the land.
...Fifth life: She became the tyrant's beloved, his white moonlight.