When did Anyi become Li Jiang?

Episode 7. According to the query of Love Theater, the seventh episode Anyi became Li Jiang. The content of the plot is that it was not Anyi who reacted so violently just now, but Li Jiang; Two consciousness * * * the same body, Anyi always wanted to kill Li Jiang, let Li Jiang disappear forever, so Li Jiang would ask Qiao You for help, hoping Qiao You would let her out.