Transmigrated as the Cannon Fodder Heroine's Brother [Quick Transmigration]

You Qing transmigrates into a book, becoming the older brother of all kinds of doomed female characters. * She transmigrates into an entertainment-industry novel and becomes the brother of a scandal-ridden supporting actress. Heroine: I have acting skills and beauty, and powerful people chasing after me. Supporting actress: I have a brother. * She transmigrates into a cultivation novel and becomes the brother of the stallion protagonist's fiancée. Hero: I'm the chosen child of fortune. Stick with me, and your future is bright. Supporting actress: I have a brother. * She transmigrates into a period novel and becomes the older brother in a family that favors boys over girls. Heroine: I'm the apple of my whole family's eye. My parents, brothers, and sisters all love me. Supporting actress: I have a brother. * In short, with a brother at my side, the whole world is mine. * Completed previous work: Healing-Type Male God [Quick Transmigration], available in the author's profile. Theme: A brother drops from the sky and helps his doomed little sister defy fate and change her life.