Everyone's the Protagonist, I'm Just an Extra

Shen Qiuming wakes up inside a female-oriented web novel—not as the hero, but as a forgettable background character. Armed with a "Passerby System" and zero chance of going home, he plans to keep his head down, grind levels in secret, and coast through life on his academic skills. Simple, right? Wrong. The tsundere mafia heiress, his innocent deskmate, the icy CEO, the bubbly actress—every heroine he accidentally helps breaks free from her scripted fate. Now the story's unraveling, and the world itself is shifting in bizarre ways. All he wanted was a quiet life. Instead, he's rewriting everyon…