The Wicked Saintess Who Transmigrated into the Book Will Never Reveal Her Secret Identity

“At last, the final identity—Hero’s companion, the Saintess.” The white-haired girl finally stepped into the main storyline, an evil smile spreading across her face. Having transmigrated into the book more than ten years ago, she had been turned into a girl, and at the same time, the system had given her a task: to approach the male lead under different identities and educate him into a Hero who wouldn’t get killed off by the trashy, half-hearted author. Thus, Jiang Cheng chose what she felt was both the most entertaining and the most effective method… — Description from novelcodex.org