The Eldest Princess Changed Her Destiny by Practicing Writing.

In order to change her destiny against the will of heaven, she deleted ambiguous bets, broke up frame-up traps, uncovered secret conspiracies, and uncovered enemy traitors at the cost of modifying the plot and consuming life points. But she accidentally discovered that Xiao, the prince of the enemy country, also came with memories of his past life, and even the system was created by him to save her.