I transmigrated into my own novel as the least favored concubine

-WAIT! Did I hear it wrong?- If female lead Guan Fei is her sister, she must have transmigrated into the body of that-that Gu-Guan Feng??? NO WAY!!! She had nothing to hold on in her life, but transmigrating into her own novel was Guan Fei's last alternative! After an unfortunate accident, her soul transmigrates into the body of good-for-nothing, androgynous youth Guan Feng. According to the novel, the female lead, young miss Guan who is betrothed into crown prince runs away with a servant/spy. The Guan family makes Guan Feng their scapegoat by arranging him to marry the crown prince in his sister's disguise. Guan Fei knows that this young fool will soon be framed as the murderer of the crown princess. As the creator of this world she determines to find a way to escape the tragic ending but.. ''Why does this crown prince Li Sheng highly resemble the campus god; Xue Yu! Same coldness. Same indifference. '' How does Guan Fei deal with her new body, messed up identity and unfeeling crown prince? Will she be able to go back into her own world?