When the Heartthrob Wears a Passerby's Armor

[In the entertainment industry, the male and female protagonists are both clean. In the previous life, the male protagonist also met the same female protagonist] Jiang Zuoyu lived for more than 20 years before he realized that he was just a character in the book, a passer-by who was mentioned in one sentence by a minor supporting character. She was silent, thinking secretly: Born into a top wealthy family, her journey has been smooth, and she is a popular little queen in the entertainment industry. Is this a passerby? ?