After My Entire Family of Cannon Fodder Heard My Thoughts, They Went on a Rampage

[Transmigrate into a book + beloved by the whole family + family mind-reading + alternate world] Qiao Wanshu transmigrates into a book as a minor character who is pushed into the water and drowned. Furious, Qiao Wanshu clenches her tiny fists. [That wicked Concubine He pushed a baby like me into the water!] Hearing her thoughts, the Qiao couple unite and stay up all night to make things right. Her eldest brother brings home a woman, claiming he fell in love with her at first sight and will marry no one else. Qiao Wanshu: [Help! Big Brother is such a hopeless romantic! She's not his true love at all. She's an enemy spy!] Eldest Brother: ?! Gradually, Qiao Wanshu realizes she's become the family's little darling. Wasn't her whole family supposed to be doomed villain cannon fodder? So how has the plot gone completely off the rails?