I am looking for a novel that I forgot the title. It is about a girl who discovers that she was a cannon fodder after her rebirth. In her first life she had worked hard to try to be part of her family, she had been exchanged at birth for another girl ... they only found out that she was not. she was her real daughter after 14 years ... Zhao Mengxi (I think that was the protagonist's name) and her adopted daughter Zhao Yuanyuan (something like that) ... In fact, after the Zhao family found their real daughter, they were afraid that the adopted daughter would feel excluded, so in any case they always paid attention only to the adopted daughter ... Ah cannon fodder dies at 23 or 24 years of age. thing in the brain. THEN SHE IS REBORN, I decided that she no longer wants the love of the family, she receives a system to prevent her brain death and her bad luck like cannon fodder ... She should get 500 buttons inside the vase ... of cannon fodder. She also has a love that belongs to the Fu family.