A new beginning and Elizabeth's secret

In which the main protagonist is the reincarnation of Caroline a.k.a GLaDOS's daughter in one of her past lives is reincarnated the second time as the Villainess of the book she used to read in her second past life. She is painted as the evil Villainess; Elizabeth Sinistera. However, she alters her fate by avoiding the plotline and ignore the male lead; Atticus Lancastor. But wait he suddenly falls in love with her? (This is a collaboration with HighInCoco.)

By the way, I don't own Portal, Portal 2, nor the comic Portal 2: Lab Rat. They belong to Valve Corporation.