Following their heartfelt connection established during a memorable autumn sunset, the pair now dedicates their time to rigorous studies for upcoming university entrance examinations. The once underperforming student has shown significant progress, leading him to propose a competitive challenge centered on their academic efforts. Initially reluctant, his partner accepts the terms, knowing that the outcome will require the loser to heed the winner's directives. With their futures and relationship hanging in the balance, this high-stakes contest builds toward an intense resolution.