My Big Brother Sister Who Came Back from Cultivating Immortality

Book+Group Pet+Childhood Sweetheart+With CP+Development Tips: The title of the book cannot be changed for the time being. After the outline was revised, it was changed to the CP main line. There is CP [Shi Qing × Qin Yu] Shi Qing was transformed into the mentally retarded sister of the heroine who returned from cultivating immortality. The system was cold and cold: [Get close to Shi An and get 100 favorability points, otherwise it will be erased. Seeing the future world-destroying boss sister being whipped by her adoptive mother, Shi Qingmai jumped over with her short legs and handed her water, spilling it all over her body. System: [Favorability +0.1. Shi Qing: ... Billions of dollars worth of property in exchange for 0.1 Favorability? This wave of blood loss! Later, Shi An, who had returned from cultivating immortality, put his sister in his arms: "Touch her? Have you asked me about my sword?" The little King of Hell of the Qin family silently put the ancestral ring on Shi Qing: "Mine." The system suddenly prompts: [Warning! 100 Favorability achieved! The 'go home' channel opens——] Shi Qing looked at the world behind the passage and was confused: Is this going home? !