Something is wrong with the fiancee [Transmigration Book]

Song Ruo transmigrated into a book and became the tragic female partner of the same name, Black Lotus.The original owner of the book had a marriage contract with the second generation ancestor of the Meng family. After her grandfather passed away, she came to live in the Meng family and lived under the same roof with her fiancée Meng Jing.Meng Jing, a girl with rebellious personality, is extremely disgusted with arranged marriages, and tries her best to torture Song Ruo.But Song Ruo, who fell in love with Meng Jing at first sight, didn't know how to let go, and the more frustrated he became, the more courageous he became, which made Meng Jing extremely black...