Love TV Series: Why Is My Ex-Girlfriend Among the Guests?

Bai Shuo, who accidentally traveled to a parallel world, was forced to break up with his girlfriend because of some special reasons. After the breakup, he accidentally awakened the system. Many years later, Bai Shuo participated in the love show in order to complete the system tasks, and among the female guests, there was actually an ex-girlfriend who joined because of him.