Natsuki, the student council president, is driven by a strong sense of responsibility and a desire to improve her classmates' school lives. Her daily efforts are dedicated to creating a brighter, more positive environment at the academy. One day, she witnesses her best friend being bullied and immediately decides to stand up and confront the perpetrators. Determined to protect her precious friend, she chooses to take action—embarking on a path of justice no matter the cost.