The Male Protagonist of "Quick Travel" Turns Dark Again

[The cruel and cruel emperor x the delicate princess born towards the sun] Li Lanxi traveled into a novel about a sadistic male protagonist and became a vicious female supporting character! The five princesses of the Qi Kingdom were arrogant and domineering and committed all kinds of evil. In the end, the country was ruined and the family was destroyed, and they were reduced to human beings. In order to survive, Li Lanxi cautiously accepted the system's tasks, trying to influence the poor Chen Qi at this time, but unexpectedly Chen Qi was black inside and out. The court was in a bloody mess caused by him, but he rose up and led his army to attack Qi. Li Lanxi completed the ultimate task of protecting the heroine and preventing the male protagonist from going dark, blowing up his own imperial city and returning him a beautiful land. She thought he could be in harmony with the heroine forever... Unexpectedly, the system told her that the male protagonist had turned evil again!