Sign-In System: From Supporting Role to Shining Star

For eighteen years, Su Qingyuan lived in Lin Weiwei's shadow—the perfect protagonist with top grades, wealth, and admirers galore. As the designated "foil best friend," Su endured endless comparisons and mediocrity. But everything changes when she binds to a mysterious sign-in system. Each location unlocks incredible abilities: MAX Focus at her desk transforms her into an academic genius, Physical Enhancement on the sports field makes her an athletic prodigy, and Unexpected Fortune by the old locust tree fills her pockets. Watch as the former "green leaf" blooms into the true star, rewriting h…