Brother and sister love story. The Edge of Paradox is a romantic novel with Ling Sinan and Ling Qingyuan as the protagonists. The novel is rich in content, ups and downs, and very exciting. It is a love story of a charming girl's black brother X being eaten by his brother. Tell the story of how a brother and sister secretly sublimated their love under high pressure. Sweet pets don't abuse (relationships between men and women don't abuse)