Female lead's Delusion of Starting Over

I, Lu Li. had an agreement with the system; once the plot was completed, I could go home, but the system played me dirty.Apathetic Protagonist Beautiful Female Lead Betrayal Brother Complex Cold Protagonist Crime Cruel Characters Depictions of Cruelty Determined Protagonist Distrustful Protagonist Fearless Protagonist Handsome Male Lead Male Protagonist Multiple POV Multiple Reincarnated Individuals Murders Past Plays a Big Role Past Trauma Personality Changes Psychopaths Reincarnation Revenge Ruthless Protagonist Second Chance Siblings Not Related by Blood System Administrator Tragic Past Transported to Another World Twisted Personality Underestimated Protagonist Unreliable Narrator Unrequited Love