The System Forces Me to Be a Scumbag (Transmigrate into a Book)

After all these years, Tang Shiyuan thought she really wasn't a bad person. Well... maybe she wasn't exactly a good person, either. But no matter what, the word "scumbag" was still a very, very long way from describing her. She never expected that after transmigrating, a stupid System would force her to become the queen of scumbags! All she could say was: "Well, isn't that just delightful." Her younger sister's fiancé? She's claiming him! Her younger sister's old flame? She's claiming him! Her younger sister's childhood sweetheart? She's claiming him! Her younger sister gazed at her with wide, innocent eyes. "Why are you picking on me, Sis?" Tang Shiyuan smiled and patted her shoulder. "Silly girl, I'm saving the Earth and the future of humanity." Her sister: "What does that have to do with me?" Tang Shiyuan ╮(￣▽￣")╭: "Because you're the world-destroying Mary Sue." A note from the author: 1. This story updates six or seven times a week, so feel free to bookmark it. 2. I hope readers will leave more comments. Your comments are what keep me writing! 3. Believe me, this really is a BG story... Please support my profile: Please bookmark, support, and comment: The author's completed stories. The author's ongoing stories. The author's short works in progress. My friend's modern romance. My friend's modern romance. [Naruto] You Again?! [Anime Crossover] How to Become a Mary Sue. Sarcasm Saves the World. [Quick Transmigration] Even Breathing Is Wrong. Finally, I've Been Waiting for You. My friend's danmei stories. My friend's apocalyptic danmei. Douluo: Jialan. Reborn at the End of the World: The One and Only. Theme: