I! the Descendant of the Savior Wants Me to Do All the Bad Things?

The descendants of the saviors who traveled through time took on the responsibility of saving the world again, but the "cheating" system released the persona of an extremely evil person. After another life of rebirth, they finally completed the preliminary tasks and activated the system. But what followed was that the heroines who were killed in the previous life were resurrected with their memories?