Reborn, Broke Off the Engagement, Married a Traitor and Killed the Scumbag

Song Niantang didn't know that she was just a cannon fodder female supporting character until she was poisoned to death by her scumbag husband. After rebirth, Song Niantang knew that he was in a book about a heroine, and that she was destined to have a short life. She was determined to change her destiny and break off the engagement as soon as possible. She was still three months away from getting married to the scumbag, so she thought it would be easy to break off the engagement. But unexpectedly, the scumbag's uncle - the notorious traitor - would always come out to stop him. Song Niantang was dealing with it while breaking off the engagement. In order to break off the engagement, it can be said that she paid too much. Until... The scumbag uncle hugged her: "Be with me, and I will ask him to break off the engagement immediately." "..." … The scumbag Feng He Qing couldn't accept it when he saw that his fiancée had become his aunt. He chased after Song Niantang: "Didn't you like me the most?" "Get lost." … Song Niantang discovered that he was not traveling through time, but was actually "a soul"! The original owner was in love, but he wanted to be free. After the two souls discovered each other's existence, they both fought for control of the body. … This is the world of a book. Gu Ruoying is the heroine. Everything revolves around the heroine, including her ex-husband Feng Heqing, the thoughtful eldest prince, the second prince who has passed through the flowers, and the third prince who has a noble and noble family. But why do they all seem to like Song Niantang? What's going on?