Simple version: This is a story about a wealthy daughter named Shu Chang and her good partner Pika who counterattack the heroine and return to the real world to kill the scumbag sister.
Official version: Shu Chang, the daughter of Shu Yuan, the richest man in City N. Outsiders only know that she "unfortunately died" in an accident, but they don't know that all this was planned by her half-sister, just because she is the rightful heir... Her unwillingness led her to meet the No. 001 System pickup truck wandering on the earth. From then on, she started her own journey of fast travel... And returned to the real life as the scumbag sister.