Transmigrating into a Book as the Villain's Senior Sister

[Male and female leads are each other's only love / A healing story / Sweet moments / Angst] One day, she transmigrates into a book as the mischievous little junior sister of Longshan Sect. As a child, she was always bullying the villain. “You can take the blame for today's mess. Don't you dare tell my mother.” As always, the villain would say, “Alright.” Later, she realizes she's transmigrated into a book, and she's a doomed extra who dies early. Oh no! I want to go back in time and slap some sense into myself. She runs, and he chases. Then one day, the villain holds the young woman in his arms and says in a chilling voice, “Senior Sister, it's time we settled the score for what you did to me as a child.” “I… Waaaah…”