The Hilarious Female Side Character Coasts to Victory in a Period Novel

A series of feel-good, sweet period romances. Please add them to your collection, QAQ~ Blurb: Su Cha transmigrates into a book, becoming the doomed song-and-dance troupe beauty who gets abandoned by her fiance in the story. The plot is at the exact moment when her fiance comes to break off their engagement. Scumbag: "Yan Yan isn't as strong as you. She can't live without me. I can only compensate you with money." Su Cha: "?? There's a deal like this?" Su Cha happily pockets the money, then turns around and sheds white-lotus tears. "One of them is my fiance, and the other is my dear friend. Why would they hurt me like this?" Everyone: How tragic, how pitiful. The awful couple get cursed out by everyone and both are fired from their jobs. [Ding! The Supporting Female Character System has been bound! Host, if you successfully stop the villain Rong Chen from turning evil, you'll become more beautiful and receive one hundred thousand!] Su Cha: Become beautiful and get rich? I'm in! Play the caring big sister and help him find hope in life again. Check. Turn into a white-lotus angel and let him experience the beauty of kindness. Check. Become his life coach and guide him to focus on his career. Check. Just as the villain's social anxiety starts to get better, Su Cha dusts herself off and tries to leave. But as soon as she reaches the doorway, the man blocks her. "Cha Cha, are you going to seduce me and then abandon me?" [Stunningly beautiful, goofy female lead x socially awkward, childish male lead] Theme: Me