Midori Aoi has always been the model student with excellent grades and a charming smile that wins everyone over. However, an unforeseen mistake in recent test results disrupts her path to success. Panicking over the loss of her hard-earned position, she decides to confront her homeroom teacher Izumi Kuwabara directly. During their tense discussion, Midori stumbles upon a shocking video featuring the teacher's fiancée Maho Yoshimura, forcing her to rethink her strategy in this high-stakes encounter.