The Love-Brained Female Lead's Rescue Plan [Quick Transmigration]

'''Newly Completed Novel "The Disabled Alpha Accidentally Marked Her Ex's Older Sister" (Cold, Scheming Secretary General x Fake Innocent Temptress) [Marriage Before Love / Fake Substitute, Runaway with Baby and Chase for Love / Sweet and Exciting] Research prodigy Yu Suyan died in the apocalypse. After being cheated on by her girlfriend in life, a moment of resentment turned her into a ghost after death, only to be bound by a salvation system. System: Detected that the reagent you developed caused the apocalypse. You must accumulate great virtue by saving love-struck female leads, preventing them from falling into their original fates, to be reincarnated! World One: The Beta Little Siste...