[Crossover] No Thanks, Bad Boys

Every scumbag has a vile woman to match. One day, the vile woman wakes up and declares, "If you have no feelings for me, then I'll leave," determined to become a powerful woman and never look back. She cultivates herself into a beloved beauty, takes revenge in spectacular fashion, and fights the scumbag to the bitter end... So how did they still end up as a couple? It's all a setup! Why must they always be faithful to one person? Why must they always love and fight each other until the ends of the earth? A scumbag who comes crawling back is still a scumbag. No thanks. We're not interested! Beware of outrageous plot twists: 1. A revenge fantasy. 2. First-person narration. 3. The protagonist is chuunibyou and beyond help. 4. The scumbags may originally have been male idols, but fanfiction turned them into scumbags.