Why was I so cruel?

Famous writer Rosia was killed by her fans for being the cruelest author. In her last moments she wished to know just why writing a book lead her to death. At the same time wish maker heard her and granted her wish.She couldn't believe her eyes when she found herself in the chamber of Second male lead.She was happy she survived but this story doesn't have a happy ending. Will she survive in that world or is she going to die by her own plots ? What will happen to story if she meddles with it? Is there a way to achieve a happy ending? She wondered as she bite her lips .