I Became the Campus Novel's Most Popular Girl Through Ridiculous Antics

Jiang Jiang transmigrates into a melodramatic campus romance as the villainess who has a crush on F3 and bullies the heroine. However... the moment she sees the heroine, Jiang Jiang, a devoted admirer of pretty faces, falls for her on the spot. She's so cute! I have to be her friend! System: Your mission is to defeat the heroine and become the unattainable white moonlight in the hearts of F3! Jiang Jiang, with her heroine-worshipping rose-tinted glasses and spectacularly poor hearing: Got it. Defeat F3 and become the heroine's white moonlight, right? In the original story, the heroine disguises herself as a boy to enter an elite academy. F3 pursue her because of a bet, toy with her feelings, and force her into a relationship against her will. As soon as Jiang Jiang enrolls, she takes the aloof top student's spot at the top of the class and steals his scenes by tutoring the heroine; She beats up the school bully who tried to force himself on the heroine, then protects her from a group of thugs; She teaches the heroine's younger stepbrother, a possessive yandere who loves locking people in dark rooms, a lesson by sending him to the police station to be reformed; The System assumes its mission is doomed and cries in despair, but then... Top Student: Boss, teach me how to study. School Bully: Boss, teach me how to fight... martial arts! Younger Stepbrother: Sis-in-law, teach me how to date! How did you win my brother over? Jiang Jiang: Huh? The first two are easy enough, but what the heck is that last one? I don't know your brother. Everyone: ? Wait, you put so much effort into pursuing him, and now you're saying you don't know him? Who'd believe that?! Jiang Jiang: Your sister never told me she had any other brothers. Younger Stepbrother: I don't have a sister. That's my brother! Jiang Jiang: ...Huh? The real male lead gives her a knowing smile.