The protagonist who transmigrated into a period novel after dying in a car accident. She became the malicious stepsister character named Lu Guoguo, originally a lazy and greedy cannon-fodder female supporting character who stole the male lead's clothes and bullied the female lead. She grew up in an orphanage in a town, was an orphan, and was about to enter university when she died. She now possesses a Check-in System and tries to avoid her original fate while adapting to life in 1975.
